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 | 5 |
| 3 | 13 |
| 4 | 29 |
| 5 | 50 |
| 6 | 86 |
| 7 | 126 |
| 8 | 190 |
| 9 | 255 |
| 10 | 355 |
| 11 | 451 |
| 12 | 595 |
| 13 | 728 |
| 14 | 924 |
| 15 | 1100 |
| 16 | 1356 |
| 17 | 1581 |
| 18 | 1905 |
| 19 | 2185 |
| 20 | 2585 |
| 21 | 2926 |
| 22 | 3410 |
| 23 | 3818 |
| 24 | 4394 |
| 25 | 4875 |
| 26 | 5551 |
| 27 | 6111 |
| 28 | 6895 |
| 29 | 7540 |
| 30 | 8440 |
| 31 | 9176 |
| 32 | 10200 |
| 33 | 11033 |
| 34 | 12189 |
| 35 | 13125 |
| 36 | 14421 |
| 37 | 15466 |
| 38 | 16910 |
| 39 | 18070 |