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 | 7 |
| 2 | 33 |
| 3 | 90 |
| 4 | 190 |
| 5 | 345 |
| 6 | 567 |
| 7 | 868 |
| 8 | 1260 |
| 9 | 1755 |
| 10 | 2365 |
| 11 | 3102 |
| 12 | 3978 |
| 13 | 5005 |
| 14 | 6195 |
| 15 | 7560 |
| 16 | 9112 |
| 17 | 10863 |
| 18 | 12825 |
| 19 | 15010 |
| 20 | 17430 |
| 21 | 20097 |
| 22 | 23023 |
| 23 | 26220 |
| 24 | 29700 |
| 25 | 33475 |
| 26 | 37557 |
| 27 | 41958 |
| 28 | 46690 |
| 29 | 51765 |
| 30 | 57195 |
| 31 | 62992 |
| 32 | 69168 |
| 33 | 75735 |
| 34 | 82705 |
| 35 | 90090 |
| 36 | 97902 |
| 37 | 106153 |
| 38 | 114855 |
| 39 | 124020 |
| 40 | 133660 |