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 | 17 |
| 3 | 75 |
| 4 | 203 |
| 5 | 429 |
| 6 | 781 |
| 7 | 1287 |
| 8 | 1975 |
| 9 | 2873 |
| 10 | 4009 |
| 11 | 5411 |
| 12 | 7107 |
| 13 | 9125 |
| 14 | 11493 |
| 15 | 14239 |
| 16 | 17391 |
| 17 | 20977 |
| 18 | 25025 |
| 19 | 29563 |
| 20 | 34619 |
| 21 | 40221 |
| 22 | 46397 |
| 23 | 53175 |
| 24 | 60583 |
| 25 | 68649 |
| 26 | 77401 |
| 27 | 86867 |
| 28 | 97075 |
| 29 | 108053 |
| 30 | 119829 |
| 31 | 132431 |
| 32 | 145887 |
| 33 | 160225 |
| 34 | 175473 |
| 35 | 191659 |
| 36 | 208811 |
| 37 | 226957 |
| 38 | 246125 |
| 39 | 266343 |
| 40 | 287639 |