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 | 7 |
| 2 | 19 |
| 3 | 31 |
| 4 | 55 |
| 5 | 91 |
| 6 | 115 |
| 7 | 157 |
| 8 | 217 |
| 9 | 253 |
| 10 | 313 |
| 11 | 397 |
| 12 | 445 |
| 13 | 523 |
| 14 | 631 |
| 15 | 691 |
| 16 | 787 |
| 17 | 919 |
| 18 | 991 |
| 19 | 1105 |
| 20 | 1261 |
| 21 | 1345 |
| 22 | 1477 |
| 23 | 1657 |
| 24 | 1753 |
| 25 | 1903 |
| 26 | 2107 |
| 27 | 2215 |
| 28 | 2383 |
| 29 | 2611 |
| 30 | 2731 |
| 31 | 2917 |
| 32 | 3169 |
| 33 | 3301 |
| 34 | 3505 |
| 35 | 3781 |
| 36 | 3925 |
| 37 | 4147 |
| 38 | 4447 |
| 39 | 4603 |
| 40 | 4843 |
| 41 | 5167 |
| 42 | 5335 |
| 43 | 5593 |
| 44 | 5941 |
| 45 | 6121 |
| 46 | 6397 |
| 47 | 6769 |
| 48 | 6961 |
| 49 | 7255 |
| 50 | 7651 |
| 51 | 7855 |
| 52 | 8167 |
| 53 | 8587 |