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 | 1 |
| 2 | 2 |
| 3 | 7 |
| 4 | 14 |
| 5 | 78 |
| 6 | 113 |
| 7 | 153 |
| 8 | 439 |
| 9 | 462 |
| 10 | 1215 |
| 11 | 2294 |
| 12 | 8363 |
| 13 | 11102 |
| 14 | 12302 |
| 15 | 36382 |
| 16 | 38370 |
| 17 | 60398 |
| 18 | 199953 |
| 19 | 224090 |
| 20 | 421399 |
| 21 | 427131 |
| 22 | 1947938 |
| 23 | 2467022 |
| 24 | 2571633 |
| 25 | 62395623 |
| 26 | 462027217 |
| 27 | 2140648015 |
| 28 | 6418011931 |
| 29 | 43074345625 |
| 30 | 52714450814 |
| 31 | 71229445182 |
| 32 | 90719472005 |
| 33 | 105685014433 |