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Find the Next Term. Free sequence calculator - step-by-step solutions to help identify the sequence and find the nth term of arithmetic and geometric sequence types.
If you apply the 'digit-sum' operator to the added number repeatedly, you can make the sequence $1, 2, 4, 8, 7, 5, \dots$. For instance, from $1991$ to $2021$ , you add $20$ (the digit sum of $20$ itself is $2$ ).
Sequences and Series Cheat Sheet. sequence is a list of terms. For example, 3, 6, 9, 12, 15, ... series is the sum of a list of terms. For example, 3 + 6 + 9 + 12 + 15 + ... The terms of a sequence are separated by a comma, while with a series they are all added together.
Jan 18, 2024 · The formulas to calculate a sequence's nth term (arithmetic and geometric sequences); Interesting integer sequences (prime numbers, Fibonacci numbers, figurate numbers); And much more. We will teach you how to use our versatile tool and give you some examples of sequence calculations.
- Arithmetic Sequence
- Geometric Sequence
- Fibonacci Sequence
An arithmetic sequence is a number sequence in which the difference between each successive term remains constant. This difference can either be positive or negative, and dependent on the sign will result in terms of the arithmetic sequence tending towards positive or negative infinity. The general form of an arithmetic sequence can be written as: ...
A geometric sequence is a number sequence in which each successive number after the first number is the multiplication of the previous number with a fixed, non-zero number (common ratio). The general form of a geometric sequence can be written as: In the example above, the common ratio r is 2, and the scale factor a is 1. Using the equation above, ...
A Fibonacci sequence is a sequence in which every number following the first two is the sum of the two preceding numbers. The first two numbers in a Fibonacci sequence are defined as either 1 and 1, or 0 and 1 depending on the chosen starting point. Fibonacci numbers occur often, as well as unexpectedly within mathematics and are the subject of man...
The series of numbers 1, 2, 4, 8, 16 ... is an example of a geometric sequence, sometimes called a geometric progression (GP). Each term in the progression is found by multiplying the previous number by 2. Such sequences occur in many situations; the multiplying factor does not have to be 2.
A geometric progression (GP), also called a geometric sequence, is a sequence of numbers which differ from each other by a common ratio. For example, the sequence \(2, 4, 8, 16, \dots\) is a geometric sequence with common ratio \(2\). We can find the common ratio of a GP by finding the ratio between any two adjacent terms.
