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 | 10 |
| 2 | 100 |
| 3 | 475 |
| 4 | 1675 |
| 5 | 4954 |
| 6 | 12952 |
| 7 | 30817 |
| 8 | 67987 |
| 9 | 140907 |
| 10 | 277033 |
| 11 | 520565 |
| 12 | 940455 |
| 13 | 1641355 |
| 14 | 2778305 |
| 15 | 4576113 |
| 16 | 7354549 |
| 17 | 11560664 |
| 18 | 17809754 |
| 19 | 26936719 |
| 20 | 40059819 |
| 21 | 58659104 |
| 22 | 84672094 |
| 23 | 120609609 |
| 24 | 169694999 |
| 25 | 236030401 |
| 26 | 324794055 |
| 27 | 442473145 |
| 28 | 597137095 |
| 29 | 798756745 |
| 30 | 1059575359 |