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 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 17 |
| 6 | 31 |
| 7 | 61 |
| 8 | 113 |
| 9 | 239 |
| 10 | 467 |
| 11 | 941 |
| 12 | 1879 |
| 13 | 3761 |
| 14 | 7523 |
| 15 | 15031 |
| 16 | 30071 |
| 17 | 60149 |
| 18 | 120299 |
| 19 | 240599 |
| 20 | 481181 |
| 21 | 962363 |
| 22 | 1924721 |
| 23 | 3849437 |
| 24 | 7698893 |
| 25 | 15397783 |
| 26 | 30795571 |
| 27 | 61591147 |
| 28 | 123182281 |
| 29 | 246364571 |
| 30 | 492729101 |
| 31 | 985458239 |
| 32 | 1970916449 |