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 | 1 |
| 2 | 6 |
| 3 | 9 |
| 4 | 12 |
| 5 | 15 |
| 6 | 210 |
| 7 | 217 |
| 8 | 246 |
| 9 | 249 |
| 10 | 252 |
| 11 | 255 |
| 12 | 420 |
| 13 | 427 |
| 14 | 456 |
| 15 | 459 |
| 16 | 492 |
| 17 | 495 |
| 18 | 630 |
| 19 | 637 |
| 20 | 666 |
| 21 | 669 |
| 22 | 702 |
| 23 | 705 |
| 24 | 840 |
| 25 | 847 |
| 26 | 876 |
| 27 | 879 |
| 28 | 912 |
| 29 | 915 |
| 30 | 30030 |
| 31 | 30061 |
| 32 | 30246 |
| 33 | 30279 |
| 34 | 30252 |
| 35 | 30285 |
| 36 | 32550 |
| 37 | 32587 |
| 38 | 32586 |
| 39 | 32589 |
| 40 | 32592 |
| 41 | 32595 |
| 42 | 32760 |
| 43 | 32797 |
| 44 | 32796 |
| 45 | 32799 |
| 46 | 32832 |