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 | 3 |
| 2 | 13 |
| 3 | 59 |
| 4 | 239 |
| 5 | 3121 |
| 6 | 6857 |
| 7 | 29789 |
| 8 | 50651 |
| 9 | 65521 |
| 10 | 161047 |
| 11 | 262127 |
| 12 | 300761 |
| 13 | 1295027 |
| 14 | 3442949 |
| 15 | 9393929 |
| 16 | 13997519 |
| 17 | 21253931 |
| 18 | 49430861 |
| 19 | 84604517 |
| 20 | 95443991 |
| 21 | 237176657 |
| 22 | 329939369 |
| 23 | 384240581 |
| 24 | 487443401 |
| 25 | 633839777 |
| 26 | 893871733 |
| 27 | 904231061 |
| 28 | 1284365501 |
| 29 | 1605723209 |
| 30 | 3183010109 |
| 31 | 3301293167 |
| 32 | 3588604289 |
| 33 | 3936827537 |