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 | 1 |
| 3 | 3 |
| 4 | 7 |
| 5 | 15 |
| 6 | 30 |
| 7 | 56 |
| 8 | 98 |
| 9 | 162 |
| 10 | 255 |
| 11 | 385 |
| 12 | 561 |
| 13 | 793 |
| 14 | 1092 |
| 15 | 1470 |
| 16 | 1940 |
| 17 | 2516 |
| 18 | 3213 |
| 19 | 4047 |
| 20 | 5035 |
| 21 | 6195 |
| 22 | 7546 |
| 23 | 9108 |
| 24 | 10902 |
| 25 | 12950 |
| 26 | 15275 |
| 27 | 17901 |
| 28 | 20853 |
| 29 | 24157 |
| 30 | 27840 |
| 31 | 31930 |
| 32 | 36456 |
| 33 | 41448 |
| 34 | 46937 |
| 35 | 52955 |
| 36 | 59535 |
| 37 | 66711 |
| 38 | 74518 |
| 39 | 82992 |
| 40 | 92170 |
| 41 | 102090 |
| 42 | 112791 |
| 43 | 124313 |
| 44 | 136697 |