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 | 5 |
| 2 | 53 |
| 3 | 173 |
| 4 | 211 |
| 5 | 1511 |
| 6 | 3307 |
| 7 | 3637 |
| 8 | 4457 |
| 9 | 4993 |
| 10 | 6863 |
| 11 | 11411 |
| 12 | 11731 |
| 13 | 11903 |
| 14 | 12653 |
| 15 | 15907 |
| 16 | 18223 |
| 17 | 20107 |
| 18 | 20201 |
| 19 | 20347 |
| 20 | 20731 |
| 21 | 22051 |
| 22 | 23801 |
| 23 | 26041 |
| 24 | 35911 |
| 25 | 39113 |
| 26 | 40493 |
| 27 | 46889 |
| 28 | 47303 |
| 29 | 51551 |
| 30 | 52529 |
| 31 | 60083 |
| 32 | 63559 |
| 33 | 69623 |
| 34 | 71011 |
| 35 | 75787 |
| 36 | 77081 |
| 37 | 78803 |
| 38 | 85049 |
| 39 | 91297 |