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) |
---|---|
2 | 1 |
3 | 1 |
4 | 3 |
5 | 7 |
6 | 40 |
7 | 236 |
8 | 1876 |
9 | 9948 |
10 | 147880 |
11 | 1453960 |
12 | 22015900 |
13 | 208197540 |
14 | 4313645260 |
15 | 50025596492 |
16 | 908013578304 |
17 | 10257540119128 |
18 | 410662921858728 |
19 | 7157148265575464 |
20 | 196798065310375948 |
21 | 3119117728942974484 |
22 | 117123479632632724204 |
23 | 2164788189493906776364 |
24 | 62917262965957689991564 |
25 | 1107373183582759036993164 |
26 | 59647207431378288643241916 |
27 | 1329593013280581859290571836 |
28 | 48482067282133360326936987936 |