This is called a Fibonacci series after the Italian mathematician who described it.
Fibonacci sequence
Fibonacci sequence
Fibonacci
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If the first two numbers are 0, 1 or -1 (not both zero) then you get an alternating Fibonacci sequence.
Fibonacci sequence
Fibonacci sequence
Fibonacci
Fibonacci sequence
The patter formed by summing the two previous terms is called the Fibonacci Sequence
Seven of them.
13579
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If the first two numbers are 0, 1 or -1 (not both zero) then you get an alternating Fibonacci sequence.
These are called the second differences. If they are all the same (non-zero) then the original sequence is a quadratic.
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Insertion