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 | 0 |
| 2 | 1 |
| 3 | 135 |
| 4 | 137 |
| 5 | 153 |
| 6 | 173 |
| 7 | 307 |
| 8 | 315 |
| 9 | 317 |
| 10 | 351 |
| 11 | 370 |
| 12 | 371 |
| 13 | 407 |
| 14 | 470 |
| 15 | 513 |
| 16 | 531 |
| 17 | 703 |
| 18 | 704 |
| 19 | 713 |
| 20 | 730 |
| 21 | 731 |
| 22 | 740 |
| 23 | 3007 |
| 24 | 3070 |
| 25 | 3700 |
| 26 | 4007 |
| 27 | 4070 |
| 28 | 4700 |
| 29 | 7003 |
| 30 | 7004 |
| 31 | 7030 |
| 32 | 7040 |
| 33 | 7300 |
| 34 | 7400 |
| 35 | 11112 |
| 36 | 11113 |
| 37 | 11121 |
| 38 | 11131 |
| 39 | 11211 |
| 40 | 11311 |
| 41 | 12111 |
| 42 | 12599 |
| 43 | 12959 |
| 44 | 12995 |
| 45 | 13111 |
| 46 | 15299 |