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 | 4 |
| 4 | 11 |
| 5 | 31 |
| 6 | 44 |
| 7 | 80 |
| 8 | 103 |
| 9 | 157 |
| 10 | 252 |
| 11 | 293 |
| 12 | 420 |
| 13 | 520 |
| 14 | 575 |
| 15 | 695 |
| 16 | 884 |
| 17 | 1105 |
| 18 | 1180 |
| 19 | 1431 |
| 20 | 1617 |
| 21 | 1704 |
| 22 | 2007 |
| 23 | 2217 |
| 24 | 2552 |
| 25 | 3040 |
| 26 | 3300 |
| 27 | 3439 |
| 28 | 3713 |
| 29 | 3852 |
| 30 | 4144 |
| 31 | 5255 |
| 32 | 5595 |
| 33 | 6120 |
| 34 | 6305 |
| 35 | 7252 |
| 36 | 7457 |
| 37 | 8060 |
| 38 | 8695 |
| 39 | 9141 |
| 40 | 9804 |
| 41 | 10507 |
| 42 | 10740 |
| 43 | 11983 |
| 44 | 12224 |
| 45 | 12740 |