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 | 10 |
| 2 | 31 |
| 3 | 72 |
| 4 | 137 |
| 5 | 234 |
| 6 | 367 |
| 7 | 544 |
| 8 | 769 |
| 9 | 1050 |
| 10 | 1391 |
| 11 | 1800 |
| 12 | 2281 |
| 13 | 2842 |
| 14 | 3487 |
| 15 | 4224 |
| 16 | 5057 |
| 17 | 5994 |
| 18 | 7039 |
| 19 | 8200 |
| 20 | 9481 |
| 21 | 10890 |
| 22 | 12431 |
| 23 | 14112 |
| 24 | 15937 |
| 25 | 17914 |
| 26 | 20047 |
| 27 | 22344 |
| 28 | 24809 |
| 29 | 27450 |
| 30 | 30271 |
| 31 | 33280 |
| 32 | 36481 |
| 33 | 39882 |
| 34 | 43487 |
| 35 | 47304 |
| 36 | 51337 |
| 37 | 55594 |
| 38 | 60079 |
| 39 | 64800 |
| 40 | 69761 |
| 41 | 74970 |