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 | 1447110 |
| 2 | 30020760 |
| 3 | 32261985 |
| 4 | 121012185 |
| 5 | 203937090 |
| 6 | 546020475 |
| 7 | 546037695 |
| 8 | 837344865 |
| 9 | 1140530160 |
| 10 | 2517567255 |
| 11 | 2664703335 |
| 12 | 2841691440 |
| 13 | 2896212165 |
| 14 | 3000108405 |
| 15 | 3190108740 |
| 16 | 5204790360 |
| 17 | 5744351970 |
| 18 | 6872932605 |
| 19 | 7090912185 |