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 | 7 |
| 2 | 47 |
| 3 | 113 |
| 4 | 317 |
| 5 | 523 |
| 6 | 1327 |
| 7 | 9551 |
| 8 | 15683 |
| 9 | 19609 |
| 10 | 25471 |
| 11 | 31397 |
| 12 | 155921 |
| 13 | 360653 |
| 14 | 370261 |
| 15 | 1349533 |
| 16 | 1357201 |
| 17 | 2010733 |
| 18 | 4652353 |
| 19 | 17051707 |
| 20 | 20831323 |
| 21 | 47326693 |
| 22 | 122164747 |
| 23 | 189695659 |
| 24 | 191912783 |
| 25 | 387096133 |
| 26 | 1294268491 |
| 27 | 1453168141 |
| 28 | 2300942549 |
| 29 | 3842610773 |
| 30 | 4302407359 |
| 31 | 10726904659 |
| 32 | 20678048297 |
| 33 | 22367084959 |
| 34 | 25056082087 |
| 35 | 42652618343 |
| 36 | 127976334671 |
| 37 | 182226896239 |