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 | 3 |
| 2 | 9 |
| 3 | 7 |
| 4 | 8 |
| 5 | 4 |
| 6 | 9 |
| 7 | 8 |
| 8 | 656 |
| 9 | 9 |
| 10 | 9 |
| 11 | 1771 |
| 12 | 1441 |
| 13 | 323 |
| 14 | 969 |
| 15 | 434 |
| 16 | 7 |
| 17 | 9 |
| 18 | 9 |
| 19 | 162261 |
| 20 | 44 |
| 21 | 353 |
| 22 | 313 |
| 23 | 414 |
| 24 | 282 |
| 25 | 88 |
| 26 | 828 |
| 27 | 484 |
| 28 | 767 |
| 29 | 3773 |
| 30 | 94649 |
| 31 | 767 |
| 32 | 888 |
| 33 | 5665 |
| 34 | 6996 |
| 35 | 999 |
| 36 | 999 |
| 37 | 909 |
| 38 | 2992 |
| 39 | 76267 |
| 40 | 545 |
| 41 | 717 |
| 42 | 989 |
| 43 | 707 |
| 44 | 232 |
| 45 | 55 |
| 46 | 959 |
| 47 | 8778 |
| 48 | 6336 |
| 49 | 32923 |
| 50 | 7897987 |
| 51 | 3693963 |
| 52 | 989 |