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 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 39 |
5 | 292 |
6 | 2063 |
7 | 21877 |
8 | 271372 |
9 | 3298155 |
10 | 47855035 |
11 | 805112970 |
12 | 13843621861 |
13 | 261388560253 |
14 | 5529798475178 |
15 | 122059754102345 |
16 | 2863956966387107 |
17 | 73150334575839340 |
18 | 1961833778207602123 |
19 | 55184622355007805281 |
20 | 1656027290812446938492 |