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 | 6 |
| 3 | 18 |
| 4 | 44 |
| 5 | 83 |
| 6 | 159 |
| 7 | 249 |
| 8 | 401 |
| 9 | 592 |
| 10 | 867 |
| 11 | 1163 |
| 12 | 1655 |
| 13 | 2122 |
| 14 | 2796 |
| 15 | 3594 |
| 16 | 4594 |
| 17 | 5579 |
| 18 | 7046 |
| 19 | 8394 |
| 20 | 10328 |
| 21 | 12339 |
| 22 | 14699 |
| 23 | 17021 |
| 24 | 20441 |
| 25 | 23526 |
| 26 | 27317 |
| 27 | 31379 |
| 28 | 36323 |
| 29 | 40846 |
| 30 | 47300 |
| 31 | 52786 |
| 32 | 59954 |
| 33 | 67191 |
| 34 | 75380 |
| 35 | 83720 |
| 36 | 94662 |
| 37 | 103837 |
| 38 | 115137 |
| 39 | 126851 |
| 40 | 141059 |
| 41 | 153440 |