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 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 6 |
| 6 | 16 |
| 7 | 20 |
| 8 | 44 |
| 9 | 59 |
| 10 | 122 |
| 11 | 169 |
| 12 | 321 |
| 13 | 456 |
| 14 | 825 |
| 15 | 1201 |
| 16 | 2091 |
| 17 | 3100 |
| 18 | 5246 |
| 19 | 7893 |
| 20 | 13083 |
| 21 | 19907 |
| 22 | 32497 |
| 23 | 49869 |
| 24 | 80510 |
| 25 | 124335 |
| 26 | 199124 |
| 27 | 308956 |
| 28 | 491945 |
| 29 | 765898 |
| 30 | 1214494 |
| 31 | 1895490 |
| 32 | 2996873 |
| 33 | 4685587 |
| 34 | 7392756 |
| 35 | 11573134 |
| 36 | 18232908 |
| 37 | 28568658 |
| 38 | 44962192 |
| 39 | 70494629 |