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 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 20 |
| 21 | 21 |
| 22 | 22 |
| 23 | 46 |
| 24 | 48 |
| 25 | 75 |
| 26 | 104 |
| 27 | 108 |
| 28 | 140 |
| 29 | 203 |
| 30 | 240 |
| 31 | 279 |
| 32 | 352 |
| 33 | 363 |
| 34 | 476 |
| 35 | 560 |
| 36 | 648 |
| 37 | 740 |
| 38 | 950 |
| 39 | 936 |
| 40 | 1240 |
| 41 | 1353 |
| 42 | 1596 |
| 43 | 1677 |
| 44 | 2112 |
| 45 | 2115 |
| 46 | 2714 |
| 47 | 2773 |
| 48 | 3312 |
| 49 | 3381 |
| 50 | 4350 |
| 51 | 4080 |
| 52 | 5304 |
| 53 | 5194 |
| 54 | 6372 |
| 55 | 6270 |
| 56 | 8008 |