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 | 2 |
| 1 | 1 |
| 2 | 4 |
| 3 | 4 |
| 4 | 13 |
| 5 | 14 |
| 6 | 36 |
| 7 | 48 |
| 8 | 96 |
| 9 | 141 |
| 10 | 261 |
| 11 | 386 |
| 12 | 676 |
| 13 | 1030 |
| 14 | 1706 |
| 15 | 2619 |
| 16 | 4230 |
| 17 | 6462 |
| 18 | 10219 |
| 19 | 15568 |
| 20 | 24165 |
| 21 | 36627 |
| 22 | 56103 |
| 23 | 84428 |
| 24 | 127873 |
| 25 | 191201 |
| 26 | 286663 |
| 27 | 425802 |
| 28 | 632973 |
| 29 | 933995 |
| 30 | 1377774 |
| 31 | 2020424 |
| 32 | 2959438 |
| 33 | 4314109 |
| 34 | 6278824 |
| 35 | 9100908 |
| 36 | 13167388 |
| 37 | 18983295 |
| 38 | 27313916 |
| 39 | 39177636 |
| 40 | 56080228 |
| 41 | 80048942 |
| 42 | 114030110 |
| 43 | 162018938 |
| 44 | 229741517 |
| 45 | 325000341 |
| 46 | 458854803 |
| 47 | 646409612 |