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 | 0 |
| 4 | 3 |
| 5 | 1 |
| 6 | 6 |
| 7 | 4 |
| 8 | 13 |
| 9 | 10 |
| 10 | 24 |
| 11 | 23 |
| 12 | 46 |
| 13 | 46 |
| 14 | 81 |
| 15 | 88 |
| 16 | 143 |
| 17 | 159 |
| 18 | 242 |
| 19 | 278 |
| 20 | 404 |
| 21 | 470 |
| 22 | 657 |
| 23 | 776 |
| 24 | 1057 |
| 25 | 1251 |
| 26 | 1663 |
| 27 | 1984 |
| 28 | 2587 |
| 29 | 3089 |
| 30 | 3967 |
| 31 | 4742 |
| 32 | 6012 |
| 33 | 7184 |
| 34 | 9001 |
| 35 | 10753 |
| 36 | 13351 |
| 37 | 15917 |
| 38 | 19594 |
| 39 | 23335 |
| 40 | 28514 |
| 41 | 33883 |
| 42 | 41140 |
| 43 | 48787 |
| 44 | 58894 |
| 45 | 69691 |
| 46 | 83680 |
| 47 | 98809 |
| 48 | 118101 |