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 | 117 |
| 2 | 199 |
| 3 | 381 |
| 4 | 427 |
| 5 | 521 |
| 6 | 721 |
| 7 | 1151 |
| 8 | 1997 |
| 9 | 3625 |
| 10 | 6607 |
| 11 | 12269 |
| 12 | 23209 |
| 13 | 41133 |
| 14 | 75441 |
| 15 | 141209 |
| 16 | 266969 |
| 17 | 507701 |
| 18 | 968373 |
| 19 | 1851971 |
| 20 | 3549473 |
| 21 | 6817481 |
| 22 | 13115259 |
| 23 | 25267949 |
| 24 | 48750929 |
| 25 | 94173137 |
| 26 | 182122379 |
| 27 | 352587759 |
| 28 | 683348381 |
| 29 | 1325663485 |
| 30 | 2419811401 |
| 31 | 4551835269 |
| 32 | 8705190801 |
| 33 | 16798251617 |
| 34 | 32575310493 |