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 | 29 |
| 3 | 171 |
| 4 | 476 |
| 5 | 1015 |
| 6 | 1044 |
| 7 | 1907 |
| 8 | 3142 |
| 9 | 4815 |
| 10 | 7093 |
| 11 | 9882 |
| 12 | 13313 |
| 13 | 17452 |
| 14 | 22580 |
| 15 | 28393 |
| 16 | 35118 |
| 17 | 42821 |
| 18 | 43120 |
| 19 | 51939 |
| 20 | 61874 |
| 21 | 72991 |
| 22 | 85835 |
| 23 | 99604 |
| 24 | 114759 |
| 25 | 131366 |
| 26 | 150192 |
| 27 | 170009 |
| 28 | 191482 |
| 29 | 214677 |
| 30 | 240625 |
| 31 | 267588 |
| 32 | 296477 |
| 33 | 327358 |
| 34 | 361568 |
| 35 | 396775 |
| 36 | 434178 |
| 37 | 473843 |
| 38 | 475306 |
| 39 | 517455 |