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 | 1 |
| 2 | 121 |
| 3 | 380 |
| 4 | 506 |
| 5 | 511 |
| 6 | 3796 |
| 7 | 5875 |
| 8 | 6006 |
| 9 | 8976 |
| 10 | 9025 |
| 11 | 9186 |
| 12 | 10920 |
| 13 | 12245 |
| 14 | 12896 |
| 15 | 14476 |
| 16 | 14800 |
| 17 | 15386 |
| 18 | 22451 |
| 19 | 23471 |
| 20 | 32326 |
| 21 | 35175 |
| 22 | 38460 |
| 23 | 39536 |
| 24 | 40420 |
| 25 | 41456 |
| 26 | 43430 |
| 27 | 44415 |
| 28 | 59901 |
| 29 | 60076 |
| 30 | 61341 |
| 31 | 74676 |
| 32 | 76615 |
| 33 | 76986 |
| 34 | 82530 |
| 35 | 87390 |
| 36 | 99486 |
| 37 | 101101 |
| 38 | 107926 |
| 39 | 112315 |
| 40 | 112840 |
| 41 | 115101 |