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 | 5 |
| 3 | 23 |
| 4 | 59 |
| 5 | 119 |
| 6 | 209 |
| 7 | 335 |
| 8 | 503 |
| 9 | 719 |
| 10 | 989 |
| 11 | 1319 |
| 12 | 1715 |
| 13 | 2183 |
| 14 | 2729 |
| 15 | 3359 |
| 16 | 4079 |
| 17 | 4895 |
| 18 | 5813 |
| 19 | 6839 |
| 20 | 7979 |
| 21 | 9239 |
| 22 | 10625 |
| 23 | 12143 |
| 24 | 13799 |
| 25 | 15599 |
| 26 | 17549 |
| 27 | 19655 |
| 28 | 21923 |
| 29 | 24359 |
| 30 | 26969 |
| 31 | 29759 |
| 32 | 32735 |
| 33 | 35903 |
| 34 | 39269 |
| 35 | 42839 |
| 36 | 46619 |
| 37 | 50615 |
| 38 | 54833 |
| 39 | 59279 |
| 40 | 63959 |
| 41 | 68879 |
| 42 | 74045 |
| 43 | 79463 |