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 | 1 |
| 2 | 5 |
| 3 | 14 |
| 4 | 31 |
| 5 | 60 |
| 6 | 106 |
| 7 | 176 |
| 8 | 279 |
| 9 | 426 |
| 10 | 631 |
| 11 | 912 |
| 12 | 1291 |
| 13 | 1795 |
| 14 | 2457 |
| 15 | 3317 |
| 16 | 4424 |
| 17 | 5837 |
| 18 | 7626 |
| 19 | 9875 |
| 20 | 12684 |
| 21 | 16171 |
| 22 | 20476 |
| 23 | 25764 |
| 24 | 32228 |
| 25 | 40094 |
| 26 | 49626 |
| 27 | 61131 |
| 28 | 74966 |
| 29 | 91545 |
| 30 | 111346 |
| 31 | 134921 |
| 32 | 162906 |
| 33 | 196031 |
| 34 | 235134 |
| 35 | 281175 |
| 36 | 335251 |
| 37 | 398615 |
| 38 | 472695 |
| 39 | 559115 |
| 40 | 659721 |
| 41 | 776608 |