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 | 7 |
| 3 | 23 |
| 4 | 39 |
| 5 | 79 |
| 6 | 95 |
| 7 | 135 |
| 8 | 175 |
| 9 | 287 |
| 10 | 303 |
| 11 | 343 |
| 12 | 383 |
| 13 | 495 |
| 14 | 535 |
| 15 | 647 |
| 16 | 759 |
| 17 | 1087 |
| 18 | 1103 |
| 19 | 1143 |
| 20 | 1183 |
| 21 | 1295 |
| 22 | 1335 |
| 23 | 1447 |
| 24 | 1559 |
| 25 | 1887 |
| 26 | 1927 |
| 27 | 2039 |
| 28 | 2151 |
| 29 | 2479 |
| 30 | 2591 |
| 31 | 2919 |
| 32 | 3247 |
| 33 | 4223 |
| 34 | 4239 |
| 35 | 4279 |
| 36 | 4319 |
| 37 | 4431 |
| 38 | 4471 |
| 39 | 4583 |
| 40 | 4695 |