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 | 4 |
| 2 | 35 |
| 3 | 66 |
| 4 | 97 |
| 5 | 128 |
| 6 | 246 |
| 7 | 277 |
| 8 | 308 |
| 9 | 339 |
| 10 | 488 |
| 11 | 519 |
| 12 | 550 |
| 13 | 730 |
| 14 | 761 |
| 15 | 972 |
| 16 | 1027 |
| 17 | 1058 |
| 18 | 1089 |
| 19 | 1120 |
| 20 | 1269 |
| 21 | 1300 |
| 22 | 1331 |
| 23 | 1511 |
| 24 | 1542 |
| 25 | 1753 |
| 26 | 2050 |
| 27 | 2081 |
| 28 | 2112 |
| 29 | 2292 |
| 30 | 2323 |
| 31 | 2534 |
| 32 | 3073 |
| 33 | 3104 |
| 34 | 3128 |
| 35 | 3159 |
| 36 | 3190 |
| 37 | 3221 |
| 38 | 3315 |
| 39 | 3370 |
| 40 | 3401 |
| 41 | 3432 |
| 42 | 3612 |
| 43 | 3643 |
| 44 | 3854 |
| 45 | 4096 |
| 46 | 4151 |
| 47 | 4182 |
| 48 | 4213 |