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 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 10 |
| 5 | 14 |
| 6 | 24 |
| 7 | 34 |
| 8 | 52 |
| 9 | 70 |
| 10 | 102 |
| 11 | 134 |
| 12 | 194 |
| 13 | 254 |
| 14 | 352 |
| 15 | 450 |
| 16 | 610 |
| 17 | 770 |
| 18 | 1036 |
| 19 | 1302 |
| 20 | 1716 |
| 21 | 2130 |
| 22 | 2770 |
| 23 | 3410 |
| 24 | 4406 |
| 25 | 5402 |
| 26 | 6892 |
| 27 | 8382 |
| 28 | 10600 |
| 29 | 12818 |
| 30 | 16120 |
| 31 | 19422 |
| 32 | 24216 |
| 33 | 29010 |
| 34 | 35932 |
| 35 | 42854 |
| 36 | 52832 |
| 37 | 62810 |
| 38 | 76944 |
| 39 | 91078 |
| 40 | 111008 |
| 41 | 130938 |