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) |
---|---|
1 | 1 |
2 | 3 |
3 | 11 |
4 | 49 |
5 | 291 |
6 | 1979 |
7 | 15217 |
8 | 136659 |
9 | 1349627 |
10 | 14561425 |
11 | 174637707 |
12 | 2254758155 |
13 | 31206959833 |
14 | 467925825795 |
15 | 7453435202483 |
16 | 125743951819681 |
17 | 2262941842058883 |
18 | 42863071603162571 |
19 | 852618666050008129 |
20 | 17902734514975521891 |
21 | 392964858422866610699 |
22 | 9001537965557375522737 |
23 | 216015564123360144707139 |
24 | 5390978540058458090266187 |