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) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 2 |
| 4 | 7 |
| 5 | 16 |
| 6 | 24 |
| 7 | 40 |
| 8 | 56 |
| 9 | 77 |
| 10 | 96 |
| 11 | 137 |
| 12 | 158 |
| 13 | 214 |
| 14 | 249 |
| 15 | 284 |
| 16 | 322 |
| 17 | 418 |
| 18 | 464 |
| 19 | 583 |
| 20 | 645 |
| 21 | 708 |
| 22 | 774 |
| 23 | 946 |
| 24 | 1007 |
| 25 | 1125 |
| 26 | 1220 |
| 27 | 1330 |
| 28 | 1420 |
| 29 | 1685 |
| 30 | 1768 |
| 31 | 2069 |
| 32 | 2203 |
| 33 | 2346 |
| 34 | 2492 |
| 35 | 2658 |
| 36 | 2750 |
| 37 | 3166 |
| 38 | 3362 |
| 39 | 3553 |
| 40 | 3675 |
| 41 | 4183 |
| 42 | 4344 |
| 43 | 4909 |
| 44 | 5129 |
| 45 | 5327 |
| 46 | 5575 |
| 47 | 6252 |
| 48 | 6432 |
| 49 | 6849 |