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 | 5 |
| 2 | 17 |
| 3 | 59 |
| 4 | 89 |
| 5 | 167 |
| 6 | 269 |
| 7 | 467 |
| 8 | 719 |
| 9 | 1259 |
| 10 | 1949 |
| 11 | 2267 |
| 12 | 2609 |
| 13 | 2789 |
| 14 | 3167 |
| 15 | 3779 |
| 16 | 4217 |
| 17 | 4679 |
| 18 | 4919 |
| 19 | 5417 |
| 20 | 5939 |
| 21 | 7349 |
| 22 | 7649 |
| 23 | 9239 |
| 24 | 10979 |
| 25 | 11717 |
| 26 | 12479 |
| 27 | 14489 |
| 28 | 15767 |
| 29 | 16649 |
| 30 | 17099 |
| 31 | 18959 |
| 32 | 21419 |
| 33 | 21929 |
| 34 | 24029 |
| 35 | 25667 |
| 36 | 28517 |
| 37 | 31517 |
| 38 | 34667 |
| 39 | 35969 |
| 40 | 36629 |