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 | 10 |
| 2 | 34 |
| 3 | 136 |
| 4 | 169 |
| 5 | 2402 |
| 6 | 5329 |
| 7 | 21004 |
| 8 | 41164 |
| 9 | 54722 |
| 10 | 1060802 |
| 11 | 5026562 |
| 12 | 10800112 |
| 13 | 11108164 |
| 14 | 14366402 |
| 15 | 87026656 |
| 16 | 102944992 |
| 17 | 10499710072 |
| 18 | 107000850688 |
| 19 | 220200311872 |
| 20 | 924354816004 |