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 | 124153 |
| 2 | 133261 |
| 3 | 140071 |
| 4 | 209353 |
| 5 | 343381 |
| 6 | 384913 |
| 7 | 948391 |
| 8 | 984817 |
| 9 | 1151473 |
| 10 | 1189471 |
| 11 | 1282909 |
| 12 | 1516759 |
| 13 | 1517101 |
| 14 | 1629031 |
| 15 | 1666711 |
| 16 | 1736617 |
| 17 | 1819273 |
| 18 | 1918879 |
| 19 | 1998793 |
| 20 | 2142271 |
| 21 | 2176831 |
| 22 | 2201671 |
| 23 | 2306221 |
| 24 | 2314231 |
| 25 | 2526781 |
| 26 | 2534101 |
| 27 | 2557501 |
| 28 | 2566261 |
| 29 | 3131353 |
| 30 | 3150391 |