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 | 1 |
| 3 | 5 |
| 4 | 6 |
| 5 | 1 |
| 6 | 23 |
| 7 | 51 |
| 8 | 18 |
| 9 | 1 |
| 10 | 239 |
| 11 | 861 |
| 12 | 477 |
| 13 | 54 |
| 14 | 1 |
| 15 | 5828 |
| 16 | 32856 |
| 17 | 25263 |
| 18 | 4347 |
| 19 | 162 |
| 20 | 1 |
| 21 | 342383 |
| 22 | 3013980 |
| 23 | 3016107 |
| 24 | 699813 |
| 25 | 39285 |
| 26 | 486 |
| 27 | 1 |
| 28 | 50110484 |
| 29 | 690729981 |
| 30 | 865184724 |
| 31 | 253656252 |
| 32 | 19053063 |
| 33 | 354051 |
| 34 | 1458 |
| 35 | 1 |
| 36 | 18757984046 |
| 37 | 406279238154 |