A114020 a(n) = a(n-1)! + a(n-2)! with a(0) = 0, a(1) = 1.
0, 1, 2, 3, 8, 40326
Offset: 0
Keywords
Examples
a(5) = a(4)! + a(3)! = 8! + 3! = 40320 + 6 = 40326.
This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
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