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 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 1 |
| 6 | 4 |
| 7 | 1 |
| 8 | 7 |
| 9 | 3 |
| 10 | 14 |
| 11 | 1 |
| 12 | 40 |
| 13 | 1 |
| 14 | 86 |
| 15 | 15 |
| 16 | 257 |
| 17 | 1 |
| 18 | 797 |
| 19 | 1 |
| 20 | 2523 |
| 21 | 87 |
| 22 | 8360 |
| 23 | 1 |
| 24 | 29218 |
| 25 | 13 |
| 26 | 101341 |
| 27 | 765 |
| 28 | 361275 |
| 29 | 1 |
| 30 | 1300415 |
| 31 | 1 |
| 32 | 4707969 |
| 33 | 8361 |
| 34 | 17179436 |
| 35 | 97 |
| 36 | 63097809 |
| 37 | 1 |
| 38 | 232615772 |
| 39 | 101342 |
| 40 | 861726044 |
| 41 | 1 |
| 42 | 3204597995 |
| 43 | 1 |
| 44 | 11955836263 |
| 45 | 1298641 |
| 46 | 44748176654 |
| 47 | 1 |