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) |
|---|---|
| 0 | 0 |
| 1 | 5 |
| 2 | 30 |
| 3 | 35 |
| 4 | 180 |
| 5 | 185 |
| 6 | 210 |
| 7 | 215 |
| 8 | 1080 |
| 9 | 1085 |
| 10 | 1110 |
| 11 | 1115 |
| 12 | 1260 |
| 13 | 1265 |
| 14 | 1290 |
| 15 | 1295 |
| 16 | 6480 |
| 17 | 6485 |
| 18 | 6510 |
| 19 | 6515 |
| 20 | 6660 |
| 21 | 6665 |
| 22 | 6690 |
| 23 | 6695 |
| 24 | 7560 |
| 25 | 7565 |
| 26 | 7590 |
| 27 | 7595 |
| 28 | 7740 |
| 29 | 7745 |
| 30 | 7770 |
| 31 | 7775 |
| 32 | 38880 |
| 33 | 38885 |
| 34 | 38910 |
| 35 | 38915 |
| 36 | 39060 |
| 37 | 39065 |
| 38 | 39090 |
| 39 | 39095 |
| 40 | 39960 |
| 41 | 39965 |