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 | 5 |
| 3 | 17 |
| 4 | 49 |
| 5 | 151 |
| 6 | 273 |
| 7 | 693 |
| 8 | 1249 |
| 9 | 1711 |
| 10 | 3525 |
| 11 | 5529 |
| 12 | 6777 |
| 13 | 11711 |
| 14 | 16133 |
| 15 | 15937 |
| 16 | 29121 |
| 17 | 38227 |
| 18 | 44561 |
| 19 | 61985 |
| 20 | 77041 |
| 21 | 81423 |
| 22 | 116165 |
| 23 | 140997 |
| 24 | 157649 |
| 25 | 201211 |
| 26 | 237125 |
| 27 | 263449 |
| 28 | 324689 |
| 29 | 377359 |
| 30 | 392185 |
| 31 | 499789 |
| 32 | 570241 |
| 33 | 621255 |
| 34 | 735493 |
| 35 | 831537 |
| 36 | 909097 |
| 37 | 1048887 |
| 38 | 1171013 |
| 39 | 1265501 |
| 40 | 1450081 |
| 41 | 1608523 |