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 | 5 |
| 2 | 5 |
| 3 | 15 |
| 4 | 28 |
| 5 | 48 |
| 6 | 89 |
| 7 | 163 |
| 8 | 297 |
| 9 | 544 |
| 10 | 1004 |
| 11 | 1848 |
| 12 | 3393 |
| 13 | 6237 |
| 14 | 11481 |
| 15 | 21122 |
| 16 | 38834 |
| 17 | 71418 |
| 18 | 131383 |
| 19 | 241665 |
| 20 | 444451 |
| 21 | 817450 |
| 22 | 1503590 |
| 23 | 2765570 |
| 24 | 5086571 |
| 25 | 9355603 |
| 26 | 17207807 |
| 27 | 31650188 |
| 28 | 58213496 |
| 29 | 107071156 |
| 30 | 196935005 |
| 31 | 362220199 |
| 32 | 666226093 |
| 33 | 1225380420 |