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 | 1 |
| 2 | 13 |
| 3 | 553 |
| 4 | 861 |
| 5 | 1983 |
| 6 | 2065 |
| 7 | 2403 |
| 8 | 4371 |
| 9 | 6226 |
| 10 | 6553 |
| 11 | 6580 |
| 12 | 10128 |
| 13 | 10998 |
| 14 | 11193 |
| 15 | 12411 |
| 16 | 12598 |
| 17 | 12909 |
| 18 | 13056 |
| 19 | 13194 |
| 20 | 13399 |
| 21 | 14589 |
| 22 | 15829 |
| 23 | 18429 |
| 24 | 18436 |
| 25 | 19315 |
| 26 | 19900 |
| 27 | 21574 |
| 28 | 23599 |
| 29 | 24006 |
| 30 | 24024 |
| 31 | 24415 |
| 32 | 25704 |
| 33 | 27225 |
| 34 | 27651 |
| 35 | 28689 |
| 36 | 29461 |
| 37 | 29805 |
| 38 | 29868 |
| 39 | 31143 |
| 40 | 31186 |
| 41 | 32674 |
| 42 | 33706 |
| 43 | 34306 |
| 44 | 35016 |
| 45 | 36118 |