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 | 399 |
| 3 | 403 |
| 4 | 1767 |
| 5 | 3751 |
| 6 | 4123 |
| 7 | 5187 |
| 8 | 5673 |
| 9 | 9517 |
| 10 | 11811 |
| 11 | 12369 |
| 12 | 17143 |
| 13 | 22971 |
| 14 | 27001 |
| 15 | 30783 |
| 16 | 33883 |
| 17 | 34671 |
| 18 | 43617 |
| 19 | 48279 |
| 20 | 53413 |
| 21 | 53599 |
| 22 | 54873 |
| 23 | 58683 |
| 24 | 68859 |
| 25 | 69967 |
| 26 | 73017 |
| 27 | 73749 |
| 28 | 80199 |
| 29 | 86831 |
| 30 | 88753 |
| 31 | 109771 |
| 32 | 117273 |
| 33 | 122493 |
| 34 | 123721 |
| 35 | 141267 |
| 36 | 152019 |
| 37 | 153543 |
| 38 | 158503 |
| 39 | 160797 |