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) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 31 |
| 3 | 121 |
| 4 | 341 |
| 5 | 781 |
| 6 | 1555 |
| 7 | 2801 |
| 8 | 4681 |
| 9 | 7381 |
| 10 | 11111 |
| 11 | 16105 |
| 12 | 22621 |
| 13 | 30941 |
| 14 | 41371 |
| 15 | 54241 |
| 16 | 69905 |
| 17 | 88741 |
| 18 | 111151 |
| 19 | 137561 |
| 20 | 168421 |
| 21 | 204205 |
| 22 | 245411 |
| 23 | 292561 |
| 24 | 346201 |
| 25 | 406901 |
| 26 | 475255 |
| 27 | 551881 |
| 28 | 637421 |
| 29 | 732541 |
| 30 | 837931 |
| 31 | 954305 |
| 32 | 1082401 |
| 33 | 1222981 |
| 34 | 1376831 |
| 35 | 1544761 |
| 36 | 1727605 |