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) |
|---|---|
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 44 |
| 12 | 0 |
| 13 | 130 |
| 14 | 84 |
| 15 | 180 |
| 16 | 128 |
| 17 | 374 |
| 18 | 180 |
| 19 | 418 |
| 20 | 440 |
| 21 | 714 |
| 22 | 704 |
| 23 | 1104 |
| 24 | 624 |
| 25 | 1750 |
| 26 | 1976 |
| 27 | 2484 |
| 28 | 2744 |
| 29 | 3190 |
| 30 | 2880 |
| 31 | 3658 |
| 32 | 4416 |
| 33 | 5280 |
| 34 | 6188 |
| 35 | 7000 |
| 36 | 7128 |
| 37 | 8214 |
| 38 | 8892 |
| 39 | 10296 |
| 40 | 10560 |
| 41 | 13120 |
| 42 | 14028 |
| 43 | 16082 |
| 44 | 15928 |
| 45 | 22140 |
| 46 | 20332 |
| 47 | 22466 |
| 48 | 26112 |
| 49 | 27538 |
| 50 | 29200 |
| 51 | 36924 |
| 52 | 36504 |
| 53 | 35934 |
| 54 | 40284 |
| 55 | 41140 |