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 | 0 |
2 | 2 |
3 | 10 |
4 | 42 |
5 | 157 |
6 | 557 |
7 | 1923 |
8 | 6507 |
9 | 21706 |
10 | 71621 |
11 | 234329 |
12 | 761514 |
13 | 2461263 |
14 | 7919566 |
15 | 25389128 |
16 | 81146110 |
17 | 258689610 |
18 | 822922433 |
19 | 2613081648 |
20 | 8284791600 |
21 | 26232816108 |
22 | 82971091345 |
23 | 262178903447 |
24 | 827784397784 |
25 | 2611774514980 |
26 | 8235612082447 |
27 | 25955792878501 |