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 | 4 |
| 3 | 12 |
| 4 | 19 |
| 5 | 22 |
| 6 | 65 |
| 7 | 98 |
| 8 | 123 |
| 9 | 135 |
| 10 | 179 |
| 11 | 268 |
| 12 | 284 |
| 13 | 346 |
| 14 | 365 |
| 15 | 385 |
| 16 | 534 |
| 17 | 581 |
| 18 | 605 |
| 19 | 696 |
| 20 | 750 |
| 21 | 776 |
| 22 | 834 |
| 23 | 985 |
| 24 | 1017 |
| 25 | 1081 |
| 26 | 1340 |
| 27 | 1452 |
| 28 | 1530 |
| 29 | 1569 |
| 30 | 1773 |
| 31 | 1816 |
| 32 | 1969 |
| 33 | 2080 |
| 34 | 2126 |
| 35 | 2412 |
| 36 | 2641 |
| 37 | 2797 |
| 38 | 2903 |
| 39 | 2958 |
| 40 | 3350 |
| 41 | 3435 |
| 42 | 3553 |
| 43 | 3613 |
| 44 | 3892 |
| 45 | 4018 |
| 46 | 4340 |
| 47 | 4473 |
| 48 | 4571 |
| 49 | 4708 |