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 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 8 |
| 5 | 18 |
| 6 | 24 |
| 7 | 52 |
| 8 | 60 |
| 9 | 106 |
| 10 | 135 |
| 11 | 213 |
| 12 | 225 |
| 13 | 397 |
| 14 | 411 |
| 15 | 599 |
| 16 | 719 |
| 17 | 1001 |
| 18 | 1019 |
| 19 | 1533 |
| 20 | 1553 |
| 21 | 2192 |
| 22 | 2464 |
| 23 | 3151 |
| 24 | 3175 |
| 25 | 4502 |
| 26 | 4641 |
| 27 | 5888 |
| 28 | 6404 |
| 29 | 8145 |
| 30 | 8175 |
| 31 | 11040 |
| 32 | 11072 |
| 33 | 13863 |
| 34 | 14811 |
| 35 | 17886 |
| 36 | 18390 |
| 37 | 23723 |
| 38 | 23761 |
| 39 | 28440 |
| 40 | 30140 |
| 41 | 36650 |
| 42 | 36692 |
| 43 | 45952 |
| 44 | 45996 |
| 45 | 55095 |
| 46 | 58535 |
| 47 | 68084 |
| 48 | 68132 |
| 49 | 83720 |
| 50 | 84193 |