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 | 2 |
2 | 11 |
3 | 70 |
4 | 505 |
5 | 3910 |
6 | 31772 |
7 | 267280 |
8 | 2307982 |
9 | 20339946 |
10 | 182207333 |
11 | 1654250474 |
12 | 15187764411 |
13 | 140767293560 |
14 | 1315349040350 |
15 | 12377806027892 |
16 | 117200381305538 |
17 | 1115791797318548 |
18 | 10674418686087377 |
19 | 102563189093302366 |
20 | 989321056200478417 |