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 | 14 |
| 3 | 54 |
| 4 | 136 |
| 5 | 275 |
| 6 | 486 |
| 7 | 784 |
| 8 | 1184 |
| 9 | 1701 |
| 10 | 2350 |
| 11 | 3146 |
| 12 | 4104 |
| 13 | 5239 |
| 14 | 6566 |
| 15 | 8100 |
| 16 | 9856 |
| 17 | 11849 |
| 18 | 14094 |
| 19 | 16606 |
| 20 | 19400 |
| 21 | 22491 |
| 22 | 25894 |
| 23 | 29624 |
| 24 | 33696 |
| 25 | 38125 |
| 26 | 42926 |
| 27 | 48114 |
| 28 | 53704 |
| 29 | 59711 |
| 30 | 66150 |
| 31 | 73036 |
| 32 | 80384 |
| 33 | 88209 |
| 34 | 96526 |
| 35 | 105350 |
| 36 | 114696 |
| 37 | 124579 |
| 38 | 135014 |
| 39 | 146016 |
| 40 | 157600 |