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 | 19 |
| 2 | 61 |
| 3 | 151 |
| 4 | 313 |
| 5 | 571 |
| 6 | 949 |
| 7 | 1471 |
| 8 | 2161 |
| 9 | 3043 |
| 10 | 4141 |
| 11 | 5479 |
| 12 | 7081 |
| 13 | 8971 |
| 14 | 11173 |
| 15 | 13711 |
| 16 | 16609 |
| 17 | 19891 |
| 18 | 23581 |
| 19 | 27703 |
| 20 | 32281 |
| 21 | 37339 |
| 22 | 42901 |
| 23 | 48991 |
| 24 | 55633 |
| 25 | 62851 |
| 26 | 70669 |
| 27 | 79111 |
| 28 | 88201 |
| 29 | 97963 |
| 30 | 108421 |
| 31 | 119599 |
| 32 | 131521 |
| 33 | 144211 |
| 34 | 157693 |
| 35 | 171991 |
| 36 | 187129 |
| 37 | 203131 |