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 | 4 |
| 2 | 11305 |
| 3 | 13981 |
| 4 | 23001 |
| 5 | 30889 |
| 6 | 39865 |
| 7 | 68101 |
| 8 | 88561 |
| 9 | 91001 |
| 10 | 93961 |
| 11 | 107185 |
| 12 | 137149 |
| 13 | 152551 |
| 14 | 157641 |
| 15 | 176149 |
| 16 | 204001 |
| 17 | 228241 |
| 18 | 251251 |
| 19 | 276013 |
| 20 | 401401 |
| 21 | 464185 |
| 22 | 493697 |
| 23 | 493885 |
| 24 | 534061 |
| 25 | 563473 |
| 26 | 574561 |
| 27 | 622909 |
| 28 | 631351 |
| 29 | 683761 |
| 30 | 786961 |
| 31 | 915981 |
| 32 | 950797 |
| 33 | 1106785 |
| 34 | 1141141 |