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 | 2 |
| 2 | 6 |
| 3 | 15 |
| 4 | 19 |
| 5 | 207 |
| 6 | 958 |
| 7 | 1335 |
| 8 | 1365 |
| 9 | 1635 |
| 10 | 2686 |
| 11 | 2975 |
| 12 | 3201 |
| 13 | 4365 |
| 14 | 4536 |
| 15 | 8586 |
| 16 | 14842 |
| 17 | 16120 |
| 18 | 18874 |
| 19 | 19359 |
| 20 | 20146 |
| 21 | 24958 |
| 22 | 33999 |
| 23 | 36567 |
| 24 | 42819 |
| 25 | 53580 |
| 26 | 56565 |
| 27 | 64666 |
| 28 | 74919 |
| 29 | 79827 |
| 30 | 79834 |
| 31 | 84135 |
| 32 | 92686 |
| 33 | 109215 |
| 34 | 111507 |
| 35 | 116938 |
| 36 | 122074 |
| 37 | 138238 |
| 38 | 147455 |
| 39 | 161002 |
| 40 | 162603 |
| 41 | 166935 |