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 | 8 |
| 4 | 16 |
| 5 | 32 |
| 6 | 64 |
| 7 | 128 |
| 8 | 256 |
| 9 | 512 |
| 10 | 1023 |
| 11 | 2036 |
| 12 | 4017 |
| 13 | 7814 |
| 14 | 14913 |
| 15 | 27824 |
| 16 | 50643 |
| 17 | 89846 |
| 18 | 155382 |
| 19 | 262144 |
| 20 | 431910 |
| 21 | 695860 |
| 22 | 1097790 |
| 23 | 1698160 |
| 24 | 2579130 |
| 25 | 3850756 |
| 26 | 5658537 |
| 27 | 8192524 |
| 28 | 11698223 |
| 29 | 16489546 |
| 30 | 22964087 |
| 31 | 31621024 |
| 32 | 43081973 |
| 33 | 58115146 |
| 34 | 77663192 |
| 35 | 102875128 |