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 | 31 |
| 2 | 61 |
| 3 | 181 |
| 4 | 283 |
| 5 | 811 |
| 6 | 1279 |
| 7 | 1999 |
| 8 | 2551 |
| 9 | 3931 |
| 10 | 4159 |
| 11 | 5659 |
| 12 | 6553 |
| 13 | 8389 |
| 14 | 9241 |
| 15 | 9463 |
| 16 | 11551 |
| 17 | 12253 |
| 18 | 14629 |
| 19 | 15889 |
| 20 | 17923 |
| 21 | 20509 |
| 22 | 26113 |
| 23 | 27109 |
| 24 | 29401 |
| 25 | 33829 |
| 26 | 37993 |
| 27 | 41179 |
| 28 | 42571 |
| 29 | 44623 |
| 30 | 46681 |
| 31 | 59671 |
| 32 | 61333 |
| 33 | 62143 |
| 34 | 65449 |
| 35 | 67759 |
| 36 | 81019 |
| 37 | 82009 |