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) |
|---|---|
| 2 | 2 |
| 3 | 7 |
| 4 | 18 |
| 5 | 43 |
| 6 | 83 |
| 7 | 156 |
| 8 | 257 |
| 9 | 418 |
| 10 | 624 |
| 11 | 925 |
| 12 | 1292 |
| 13 | 1797 |
| 14 | 2393 |
| 15 | 3178 |
| 16 | 4083 |
| 17 | 5236 |
| 18 | 6542 |
| 19 | 8163 |
| 20 | 9974 |
| 21 | 12175 |
| 22 | 14607 |
| 23 | 17512 |
| 24 | 20693 |
| 25 | 24438 |
| 26 | 28508 |
| 27 | 33241 |
| 28 | 38352 |
| 29 | 44233 |
| 30 | 50549 |
| 31 | 57750 |
| 32 | 65447 |
| 33 | 74152 |
| 34 | 83418 |
| 35 | 93823 |
| 36 | 104858 |
| 37 | 117171 |
| 38 | 130187 |
| 39 | 144628 |
| 40 | 159849 |
| 41 | 176650 |
| 42 | 194312 |