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) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 14 |
| 4 | 0 |
| 5 | 42 |
| 6 | 70 |
| 7 | 42 |
| 8 | 0 |
| 9 | 0 |
| 10 | 210 |
| 11 | 0 |
| 12 | 294 |
| 13 | 294 |
| 14 | 210 |
| 15 | 0 |
| 16 | 0 |
| 17 | 504 |
| 18 | 0 |
| 19 | 630 |
| 20 | 882 |
| 21 | 350 |
| 22 | 0 |
| 23 | 0 |
| 24 | 1190 |
| 25 | 0 |
| 26 | 1470 |
| 27 | 1148 |
| 28 | 882 |
| 29 | 0 |
| 30 | 0 |
| 31 | 1680 |
| 32 | 0 |
| 33 | 1708 |
| 34 | 2520 |
| 35 | 1050 |
| 36 | 0 |
| 37 | 0 |
| 38 | 3150 |
| 39 | 0 |
| 40 | 3570 |
| 41 | 2940 |
| 42 | 1750 |
| 43 | 0 |
| 44 | 0 |
| 45 | 3066 |
| 46 | 0 |
| 47 | 3864 |
| 48 | 4774 |
| 49 | 2100 |
| 50 | 0 |
| 51 | 0 |
| 52 | 6174 |
| 53 | 0 |
| 54 | 5740 |
| 55 | 5124 |
| 56 | 3570 |
| 57 | 0 |
| 58 | 0 |
| 59 | 6090 |