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 | 17 |
| 2 | 41 |
| 3 | 137 |
| 4 | 457 |
| 5 | 673 |
| 6 | 2161 |
| 7 | 5953 |
| 8 | 8377 |
| 9 | 10009 |
| 10 | 22481 |
| 11 | 37657 |
| 12 | 73121 |
| 13 | 79889 |
| 14 | 220897 |
| 15 | 351529 |
| 16 | 1879121 |
| 17 | 2321393 |
| 18 | 4259113 |
| 19 | 6394657 |
| 20 | 8211977 |
| 21 | 9618457 |
| 22 | 11282017 |
| 23 | 36087113 |
| 24 | 59502217 |
| 25 | 72495233 |
| 26 | 236885513 |
| 27 | 556952881 |
| 28 | 809097481 |
| 29 | 830449097 |
| 30 | 888023449 |
| 31 | 2420630497 |
| 32 | 3845315977 |
| 33 | 13243532017 |
| 34 | 17279668529 |
| 35 | 29704277129 |
| 36 | 49624608961 |
| 37 | 59974490209 |
| 38 | 107046775289 |
| 39 | 158191299481 |