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 | 3 |
| 4 | 7 |
| 5 | 14 |
| 6 | 25 |
| 7 | 40 |
| 8 | 60 |
| 9 | 85 |
| 10 | 117 |
| 11 | 156 |
| 12 | 203 |
| 13 | 258 |
| 14 | 323 |
| 15 | 397 |
| 16 | 482 |
| 17 | 579 |
| 18 | 687 |
| 19 | 808 |
| 20 | 942 |
| 21 | 1091 |
| 22 | 1254 |
| 23 | 1433 |
| 24 | 1629 |
| 25 | 1841 |
| 26 | 2071 |
| 27 | 2319 |
| 28 | 2587 |
| 29 | 2874 |
| 30 | 3181 |
| 31 | 3510 |
| 32 | 3861 |
| 33 | 4235 |
| 34 | 4632 |
| 35 | 5052 |
| 36 | 5498 |
| 37 | 5969 |
| 38 | 6466 |
| 39 | 6990 |
| 40 | 7542 |
| 41 | 8122 |
| 42 | 8731 |
| 43 | 9369 |
| 44 | 10039 |
| 45 | 10739 |
| 46 | 11471 |
| 47 | 12235 |