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) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 12 |
| 3 | 23 |
| 4 | 43 |
| 5 | 66 |
| 6 | 91 |
| 7 | 128 |
| 8 | 169 |
| 9 | 214 |
| 10 | 258 |
| 11 | 306 |
| 12 | 381 |
| 13 | 450 |
| 14 | 509 |
| 15 | 574 |
| 16 | 659 |
| 17 | 771 |
| 18 | 848 |
| 19 | 924 |
| 20 | 1038 |
| 21 | 1148 |
| 22 | 1274 |
| 23 | 1373 |
| 24 | 1491 |
| 25 | 1636 |
| 26 | 1743 |
| 27 | 1902 |
| 28 | 2051 |
| 29 | 2188 |
| 30 | 2340 |
| 31 | 2466 |
| 32 | 2689 |
| 33 | 2864 |
| 34 | 2991 |
| 35 | 3170 |
| 36 | 3343 |
| 37 | 3611 |
| 38 | 3776 |
| 39 | 3910 |
| 40 | 4166 |
| 41 | 4362 |
| 42 | 4626 |
| 43 | 4813 |
| 44 | 5007 |
| 45 | 5296 |
| 46 | 5461 |
| 47 | 5768 |