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 | 2 |
| 3 | 3 |
| 4 | 53 |
| 5 | 678 |
| 6 | 1990 |
| 7 | 5154 |
| 8 | 5632 |
| 9 | 6412 |
| 10 | 8022 |
| 11 | 8715 |
| 12 | 11211 |
| 13 | 13182 |
| 14 | 16632 |
| 15 | 16793 |
| 16 | 17263 |
| 17 | 18755 |
| 18 | 19484 |
| 19 | 23458 |
| 20 | 25693 |
| 21 | 26960 |
| 22 | 28005 |
| 23 | 28492 |
| 24 | 29024 |
| 25 | 31055 |
| 26 | 36084 |
| 27 | 41707 |
| 28 | 44434 |
| 29 | 44642 |
| 30 | 44936 |
| 31 | 46602 |
| 32 | 48630 |
| 33 | 48631 |
| 34 | 54274 |
| 35 | 56131 |
| 36 | 58219 |
| 37 | 58879 |
| 38 | 69935 |
| 39 | 74008 |
| 40 | 76310 |
| 41 | 77836 |
| 42 | 83540 |
| 43 | 83686 |
| 44 | 88526 |
| 45 | 88877 |
| 46 | 91217 |