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) |
|---|---|
| 0 | 1 |
| 1 | 17 |
| 2 | 97 |
| 3 | 241 |
| 4 | 449 |
| 5 | 721 |
| 6 | 1057 |
| 7 | 1457 |
| 8 | 1921 |
| 9 | 2449 |
| 10 | 3041 |
| 11 | 3697 |
| 12 | 4417 |
| 13 | 5201 |
| 14 | 6049 |
| 15 | 6961 |
| 16 | 7937 |
| 17 | 8977 |
| 18 | 10081 |
| 19 | 11249 |
| 20 | 12481 |
| 21 | 13777 |
| 22 | 15137 |
| 23 | 16561 |
| 24 | 18049 |
| 25 | 19601 |
| 26 | 21217 |
| 27 | 22897 |
| 28 | 24641 |
| 29 | 26449 |
| 30 | 28321 |
| 31 | 30257 |
| 32 | 32257 |
| 33 | 34321 |
| 34 | 36449 |
| 35 | 38641 |
| 36 | 40897 |
| 37 | 43217 |
| 38 | 45601 |
| 39 | 48049 |
| 40 | 50561 |
| 41 | 53137 |