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 | 230 |
| 2 | 482 |
| 3 | 986 |
| 4 | 1994 |
| 5 | 4010 |
| 6 | 8042 |
| 7 | 16106 |
| 8 | 32234 |
| 9 | 64490 |
| 10 | 129002 |
| 11 | 258026 |
| 12 | 516074 |
| 13 | 1032170 |
| 14 | 2064362 |
| 15 | 4128746 |
| 16 | 8257514 |
| 17 | 16515050 |
| 18 | 33030122 |
| 19 | 66060266 |
| 20 | 132120554 |
| 21 | 264241130 |
| 22 | 528482282 |
| 23 | 1056964586 |
| 24 | 2113929194 |
| 25 | 4227858410 |
| 26 | 8455716842 |
| 27 | 16911433706 |
| 28 | 33822867434 |
| 29 | 67645734890 |
| 30 | 135291469802 |
| 31 | 270582939626 |
| 32 | 541165879274 |