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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 8 |
| 6 | 10 |
| 7 | 13 |
| 8 | 31 |
| 9 | 53 |
| 10 | 54 |
| 11 | 59 |
| 12 | 152 |
| 13 | 199 |
| 14 | 460 |
| 15 | 568 |
| 16 | 839 |
| 17 | 846 |
| 18 | 1295 |
| 19 | 1355 |
| 20 | 2006 |
| 21 | 2626 |
| 22 | 2846 |
| 23 | 3109 |
| 24 | 6875 |
| 25 | 9160 |
| 26 | 17764 |
| 27 | 33554 |
| 28 | 59141 |
| 29 | 65772 |
| 30 | 280709 |