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 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 27 |
| 6 | 51 |
| 7 | 107 |
| 8 | 165 |
| 9 | 403 |
| 10 | 843 |
| 11 | 1675 |
| 12 | 2661 |
| 13 | 5709 |
| 14 | 13515 |
| 15 | 27083 |
| 16 | 39513 |
| 17 | 108235 |
| 18 | 208083 |
| 19 | 432843 |
| 20 | 682341 |
| 21 | 1664211 |
| 22 | 3461835 |
| 23 | 6922955 |
| 24 | 10918245 |
| 25 | 23434061 |
| 26 | 55390923 |
| 27 | 110785227 |
| 28 | 161912409 |
| 29 | 443134667 |
| 30 | 852178131 |
| 31 | 1772532427 |
| 32 | 2795133285 |
| 33 | 6817395923 |
| 34 | 14180201163 |
| 35 | 28360356555 |