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 | 28 |
| 3 | 106 |
| 4 | 260 |
| 5 | 515 |
| 6 | 896 |
| 7 | 1428 |
| 8 | 2136 |
| 9 | 3045 |
| 10 | 4180 |
| 11 | 5566 |
| 12 | 7228 |
| 13 | 9191 |
| 14 | 11480 |
| 15 | 14120 |
| 16 | 17136 |
| 17 | 20553 |
| 18 | 24396 |
| 19 | 28690 |
| 20 | 33460 |
| 21 | 38731 |
| 22 | 44528 |
| 23 | 50876 |
| 24 | 57800 |
| 25 | 65325 |
| 26 | 73476 |
| 27 | 82278 |
| 28 | 91756 |
| 29 | 101935 |
| 30 | 112840 |
| 31 | 124496 |
| 32 | 136928 |
| 33 | 150161 |
| 34 | 164220 |
| 35 | 179130 |
| 36 | 194916 |
| 37 | 211603 |
| 38 | 229216 |