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 | 0 |
| 1 | 0 |
| 2 | 2 |
| 3 | 2 |
| 4 | 4 |
| 5 | 6 |
| 6 | 14 |
| 7 | 18 |
| 8 | 22 |
| 9 | 34 |
| 10 | 50 |
| 11 | 66 |
| 12 | 88 |
| 13 | 118 |
| 14 | 154 |
| 15 | 202 |
| 16 | 248 |
| 17 | 320 |
| 18 | 412 |
| 19 | 512 |
| 20 | 636 |
| 21 | 794 |
| 22 | 972 |
| 23 | 1194 |
| 24 | 1454 |
| 25 | 1766 |
| 26 | 2134 |
| 27 | 2576 |
| 28 | 3092 |
| 29 | 3696 |
| 30 | 4426 |
| 31 | 5254 |
| 32 | 6214 |
| 33 | 7364 |
| 34 | 8672 |
| 35 | 10196 |
| 36 | 11986 |
| 37 | 14014 |
| 38 | 16360 |
| 39 | 19084 |
| 40 | 22190 |
| 41 | 25746 |
| 42 | 29860 |
| 43 | 34516 |
| 44 | 39846 |
| 45 | 45952 |
| 46 | 52848 |