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 | 4 |
| 4 | 7 |
| 5 | 11 |
| 6 | 6 |
| 7 | 29 |
| 8 | 47 |
| 9 | 19 |
| 10 | 41 |
| 11 | 199 |
| 12 | 46 |
| 13 | 521 |
| 14 | 281 |
| 15 | 31 |
| 16 | 2207 |
| 17 | 3571 |
| 18 | 321 |
| 19 | 9349 |
| 20 | 2161 |
| 21 | 211 |
| 22 | 13201 |
| 23 | 64079 |
| 24 | 2206 |
| 25 | 15251 |
| 26 | 90481 |
| 27 | 5779 |
| 28 | 101521 |
| 29 | 1149851 |
| 30 | 2521 |
| 31 | 3010349 |
| 32 | 4870847 |
| 33 | 9901 |
| 34 | 4250681 |
| 35 | 64681 |
| 36 | 103681 |
| 37 | 54018521 |
| 38 | 29134601 |
| 39 | 67861 |
| 40 | 4868641 |
| 41 | 370248451 |