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 | 1 |
| 2 | 11 |
| 3 | 23 |
| 4 | 44 |
| 5 | 67 |
| 6 | 99 |
| 7 | 133 |
| 8 | 176 |
| 9 | 221 |
| 10 | 275 |
| 11 | 331 |
| 12 | 396 |
| 13 | 463 |
| 14 | 539 |
| 15 | 617 |
| 16 | 704 |
| 17 | 793 |
| 18 | 891 |
| 19 | 991 |
| 20 | 1100 |
| 21 | 1211 |
| 22 | 1331 |
| 23 | 1453 |
| 24 | 1584 |
| 25 | 1717 |
| 26 | 1859 |
| 27 | 2003 |
| 28 | 2156 |
| 29 | 2311 |
| 30 | 2475 |
| 31 | 2641 |
| 32 | 2816 |
| 33 | 2993 |
| 34 | 3179 |
| 35 | 3367 |
| 36 | 3564 |
| 37 | 3763 |
| 38 | 3971 |
| 39 | 4181 |
| 40 | 4400 |
| 41 | 4621 |
| 42 | 4851 |
| 43 | 5083 |
| 44 | 5324 |
| 45 | 5567 |