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 | 9 |
| 2 | 37 |
| 3 | 97 |
| 4 | 203 |
| 5 | 367 |
| 6 | 603 |
| 7 | 923 |
| 8 | 1341 |
| 9 | 1869 |
| 10 | 2521 |
| 11 | 3309 |
| 12 | 4247 |
| 13 | 5347 |
| 14 | 6623 |
| 15 | 8087 |
| 16 | 9753 |
| 17 | 11633 |
| 18 | 13741 |
| 19 | 16089 |
| 20 | 18691 |
| 21 | 21559 |
| 22 | 24707 |
| 23 | 28147 |
| 24 | 31893 |
| 25 | 35957 |
| 26 | 40353 |
| 27 | 45093 |
| 28 | 50191 |
| 29 | 55659 |
| 30 | 61511 |
| 31 | 67759 |
| 32 | 74417 |
| 33 | 81497 |
| 34 | 89013 |
| 35 | 96977 |
| 36 | 105403 |
| 37 | 114303 |
| 38 | 123691 |