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 | 7 |
| 2 | 19 |
| 3 | 43 |
| 4 | 73 |
| 5 | 115 |
| 6 | 163 |
| 7 | 223 |
| 8 | 289 |
| 9 | 367 |
| 10 | 451 |
| 11 | 547 |
| 12 | 649 |
| 13 | 763 |
| 14 | 883 |
| 15 | 1015 |
| 16 | 1153 |
| 17 | 1303 |
| 18 | 1459 |
| 19 | 1627 |
| 20 | 1801 |
| 21 | 1987 |
| 22 | 2179 |
| 23 | 2383 |
| 24 | 2593 |
| 25 | 2815 |
| 26 | 3043 |
| 27 | 3283 |
| 28 | 3529 |
| 29 | 3787 |
| 30 | 4051 |
| 31 | 4327 |
| 32 | 4609 |
| 33 | 4903 |
| 34 | 5203 |
| 35 | 5515 |
| 36 | 5833 |
| 37 | 6163 |
| 38 | 6499 |
| 39 | 6847 |
| 40 | 7201 |
| 41 | 7567 |
| 42 | 7939 |
| 43 | 8323 |
| 44 | 8713 |
| 45 | 9115 |
| 46 | 9523 |
| 47 | 9943 |
| 48 | 10369 |
| 49 | 10807 |
| 50 | 11251 |
| 51 | 11707 |