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) |
|---|---|
| 1 | 5 |
| 2 | 29 |
| 3 | 149 |
| 4 | 461 |
| 5 | 1637 |
| 6 | 1877 |
| 7 | 4373 |
| 8 | 13037 |
| 9 | 13757 |
| 10 | 32309 |
| 11 | 41381 |
| 12 | 43853 |
| 13 | 63533 |
| 14 | 69821 |
| 15 | 92333 |
| 16 | 154157 |
| 17 | 174917 |
| 18 | 228869 |
| 19 | 250949 |
| 20 | 358637 |
| 21 | 381917 |
| 22 | 388757 |
| 23 | 565661 |
| 24 | 587693 |
| 25 | 651293 |
| 26 | 697973 |
| 27 | 755861 |
| 28 | 790613 |
| 29 | 862061 |
| 30 | 985613 |
| 31 | 1127309 |
| 32 | 1180637 |
| 33 | 1303613 |
| 34 | 1739981 |
| 35 | 2147693 |
| 36 | 2345261 |
| 37 | 2586989 |
| 38 | 2684837 |
| 39 | 2876261 |