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.
n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 6 |
3 | 38 |
4 | 1446 |
5 | 2090918 |
6 | 4371938082726 |
7 | 19113842599189892819591078 |
8 | 365338978906606237729724396156395693696687137202086 |
9 | 133472569508521677503139972517335009022889462418844369330479463819154657319297609174034202576402751398 |