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 | 1 |
| 1 | 31 |
| 2 | 109 |
| 3 | 235 |
| 4 | 409 |
| 5 | 631 |
| 6 | 901 |
| 7 | 1219 |
| 8 | 1585 |
| 9 | 1999 |
| 10 | 2461 |
| 11 | 2971 |
| 12 | 3529 |
| 13 | 4135 |
| 14 | 4789 |
| 15 | 5491 |
| 16 | 6241 |
| 17 | 7039 |
| 18 | 7885 |
| 19 | 8779 |
| 20 | 9721 |
| 21 | 10711 |
| 22 | 11749 |
| 23 | 12835 |
| 24 | 13969 |
| 25 | 15151 |
| 26 | 16381 |
| 27 | 17659 |
| 28 | 18985 |
| 29 | 20359 |
| 30 | 21781 |
| 31 | 23251 |
| 32 | 24769 |
| 33 | 26335 |
| 34 | 27949 |
| 35 | 29611 |
| 36 | 31321 |
| 37 | 33079 |
| 38 | 34885 |
| 39 | 36739 |
| 40 | 38641 |