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 | 4 |
3 | 21 |
4 | 149 |
5 | 1317 |
6 | 13985 |
7 | 173207 |
8 | 2451807 |
9 | 39043963 |
10 | 690844441 |
11 | 13446183857 |
12 | 285500221447 |
13 | 6567135007015 |
14 | 162678487750465 |
15 | 4317650962178897 |
16 | 122234460353464081 |
17 | 3676789159574231397 |
18 | 117102826395968235853 |
19 | 3936834192059910096205 |
20 | 139316727760914366716635 |