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 | 21 |
| 2 | 93 |
| 3 | 381 |
| 4 | 1065 |
| 5 | 1173 |
| 6 | 5065 |
| 7 | 5670 |
| 8 | 5729 |
| 9 | 6603 |
| 10 | 8809 |
| 11 | 10281 |
| 12 | 10680 |
| 13 | 15960 |
| 14 | 17110 |
| 15 | 39286 |
| 16 | 40526 |
| 17 | 47882 |
| 18 | 49951 |
| 19 | 61962 |
| 20 | 85058 |
| 21 | 85261 |
| 22 | 99066 |
| 23 | 117860 |
| 24 | 125985 |
| 25 | 126853 |
| 26 | 135890 |
| 27 | 143241 |
| 28 | 159901 |
| 29 | 171945 |
| 30 | 179556 |
| 31 | 185853 |
| 32 | 208744 |
| 33 | 209585 |
| 34 | 210450 |
| 35 | 251394 |
| 36 | 261767 |
| 37 | 288792 |