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 | 1 |
| 2 | 15 |
| 3 | 35 |
| 4 | 143 |
| 5 | 243 |
| 6 | 323 |
| 7 | 465 |
| 8 | 899 |
| 9 | 1183 |
| 10 | 1386 |
| 11 | 1763 |
| 12 | 2065 |
| 13 | 2352 |
| 14 | 3060 |
| 15 | 3599 |
| 16 | 3612 |
| 17 | 3696 |
| 18 | 3887 |
| 19 | 5183 |
| 20 | 5358 |
| 21 | 5590 |
| 22 | 9889 |
| 23 | 10403 |
| 24 | 11663 |
| 25 | 12337 |
| 26 | 12740 |
| 27 | 12879 |
| 28 | 14329 |
| 29 | 14455 |
| 30 | 14645 |
| 31 | 16401 |
| 32 | 19043 |
| 33 | 19097 |
| 34 | 20835 |
| 35 | 22477 |
| 36 | 22499 |
| 37 | 22678 |
| 38 | 23427 |
| 39 | 25553 |