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 | 5 |
| 2 | 31 |
| 3 | 211 |
| 4 | 1031 |
| 5 | 2801 |
| 6 | 4651 |
| 7 | 5261 |
| 8 | 6841 |
| 9 | 8431 |
| 10 | 14251 |
| 11 | 17891 |
| 12 | 20101 |
| 13 | 21121 |
| 14 | 22621 |
| 15 | 22861 |
| 16 | 26321 |
| 17 | 30941 |
| 18 | 33751 |
| 19 | 36061 |
| 20 | 41141 |
| 21 | 46021 |
| 22 | 48871 |
| 23 | 51001 |
| 24 | 58411 |
| 25 | 61051 |
| 26 | 88741 |
| 27 | 92821 |
| 28 | 103801 |
| 29 | 109141 |
| 30 | 114641 |
| 31 | 118061 |
| 32 | 125591 |
| 33 | 170101 |
| 34 | 176641 |
| 35 | 209801 |