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 | 367 |
| 3 | 991 |
| 4 | 1087 |
| 5 | 1471 |
| 6 | 3259 |
| 7 | 3559 |
| 8 | 5851 |
| 9 | 6661 |
| 10 | 6841 |
| 11 | 8719 |
| 12 | 9661 |
| 13 | 10723 |
| 14 | 11953 |
| 15 | 13513 |
| 16 | 18181 |
| 17 | 20341 |
| 18 | 21529 |
| 19 | 22651 |
| 20 | 23563 |
| 21 | 25057 |
| 22 | 31189 |
| 23 | 39451 |
| 24 | 70207 |
| 25 | 72727 |
| 26 | 75937 |
| 27 | 81931 |
| 28 | 85843 |
| 29 | 87931 |
| 30 | 92569 |
| 31 | 93169 |
| 32 | 108643 |
| 33 | 131071 |
| 34 | 136483 |
| 35 | 143797 |
| 36 | 149503 |
| 37 | 150991 |
| 38 | 163309 |