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 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 2 |
| 6 | 4 |
| 7 | 8 |
| 8 | 12 |
| 9 | 19 |
| 10 | 29 |
| 11 | 42 |
| 12 | 58 |
| 13 | 83 |
| 14 | 112 |
| 15 | 151 |
| 16 | 202 |
| 17 | 267 |
| 18 | 347 |
| 19 | 453 |
| 20 | 581 |
| 21 | 744 |
| 22 | 948 |
| 23 | 1198 |
| 24 | 1505 |
| 25 | 1889 |
| 26 | 2356 |
| 27 | 2925 |
| 28 | 3621 |
| 29 | 4465 |
| 30 | 5486 |
| 31 | 6724 |
| 32 | 8212 |
| 33 | 9999 |
| 34 | 12151 |
| 35 | 14715 |
| 36 | 17784 |
| 37 | 21442 |
| 38 | 25795 |
| 39 | 30952 |
| 40 | 37079 |
| 41 | 44315 |
| 42 | 52871 |
| 43 | 62950 |
| 44 | 74827 |
| 45 | 88767 |
| 46 | 105159 |
| 47 | 124335 |