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 | 0 |
| 1 | 3 |
| 2 | 19 |
| 3 | 59 |
| 4 | 134 |
| 5 | 255 |
| 6 | 433 |
| 7 | 679 |
| 8 | 1004 |
| 9 | 1419 |
| 10 | 1935 |
| 11 | 2563 |
| 12 | 3314 |
| 13 | 4199 |
| 14 | 5229 |
| 15 | 6415 |
| 16 | 7768 |
| 17 | 9299 |
| 18 | 11019 |
| 19 | 12939 |
| 20 | 15070 |
| 21 | 17423 |
| 22 | 20009 |
| 23 | 22839 |
| 24 | 25924 |
| 25 | 29275 |
| 26 | 32903 |
| 27 | 36819 |
| 28 | 41034 |
| 29 | 45559 |
| 30 | 50405 |
| 31 | 55583 |
| 32 | 61104 |
| 33 | 66979 |
| 34 | 73219 |
| 35 | 79835 |
| 36 | 86838 |
| 37 | 94239 |
| 38 | 102049 |
| 39 | 110279 |
| 40 | 118940 |