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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 3 |
| 6 | 4 |
| 7 | 4 |
| 8 | 5 |
| 9 | 12 |
| 10 | 14 |
| 11 | 16 |
| 12 | 19 |
| 13 | 21 |
| 14 | 24 |
| 15 | 27 |
| 16 | 64 |
| 17 | 72 |
| 18 | 84 |
| 19 | 94 |
| 20 | 108 |
| 21 | 120 |
| 22 | 136 |
| 23 | 150 |
| 24 | 169 |
| 25 | 377 |
| 26 | 427 |
| 27 | 480 |
| 28 | 540 |
| 29 | 603 |
| 30 | 674 |
| 31 | 748 |
| 32 | 831 |
| 33 | 918 |
| 34 | 1014 |
| 35 | 1115 |
| 36 | 2432 |
| 37 | 2702 |
| 38 | 3009 |
| 39 | 3331 |
| 40 | 3692 |
| 41 | 4070 |
| 42 | 4494 |
| 43 | 4935 |
| 44 | 5427 |
| 45 | 5942 |
| 46 | 6510 |
| 47 | 7104 |
| 48 | 7760 |
| 49 | 16475 |
| 50 | 18138 |
| 51 | 19928 |
| 52 | 21873 |
| 53 | 23961 |