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 | 7 |
| 3 | 27 |
| 4 | 75 |
| 5 | 170 |
| 6 | 336 |
| 7 | 602 |
| 8 | 1002 |
| 9 | 1575 |
| 10 | 2365 |
| 11 | 3421 |
| 12 | 4797 |
| 13 | 6552 |
| 14 | 8750 |
| 15 | 11460 |
| 16 | 14756 |
| 17 | 18717 |
| 18 | 23427 |
| 19 | 28975 |
| 20 | 35455 |
| 21 | 42966 |
| 22 | 51612 |
| 23 | 61502 |
| 24 | 72750 |
| 25 | 85475 |
| 26 | 99801 |
| 27 | 115857 |
| 28 | 133777 |
| 29 | 153700 |
| 30 | 175770 |
| 31 | 200136 |
| 32 | 226952 |
| 33 | 256377 |
| 34 | 288575 |
| 35 | 323715 |
| 36 | 361971 |
| 37 | 403522 |
| 38 | 448552 |
| 39 | 497250 |