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 | 153 |
| 3 | 755 |
| 4 | 2107 |
| 5 | 4509 |
| 6 | 8261 |
| 7 | 13663 |
| 8 | 21015 |
| 9 | 30617 |
| 10 | 42769 |
| 11 | 57771 |
| 12 | 75923 |
| 13 | 97525 |
| 14 | 122877 |
| 15 | 152279 |
| 16 | 186031 |
| 17 | 224433 |
| 18 | 267785 |
| 19 | 316387 |
| 20 | 370539 |
| 21 | 430541 |
| 22 | 496693 |
| 23 | 569295 |
| 24 | 648647 |
| 25 | 735049 |
| 26 | 828801 |
| 27 | 930203 |
| 28 | 1039555 |
| 29 | 1157157 |
| 30 | 1283309 |
| 31 | 1418311 |
| 32 | 1562463 |
| 33 | 1716065 |
| 34 | 1879417 |