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 | 5 |
| 3 | 14 |
| 4 | 44 |
| 5 | 112 |
| 6 | 238 |
| 7 | 449 |
| 8 | 782 |
| 9 | 1287 |
| 10 | 2030 |
| 11 | 3096 |
| 12 | 4592 |
| 13 | 6650 |
| 14 | 9430 |
| 15 | 13123 |
| 16 | 17954 |
| 17 | 24185 |
| 18 | 32118 |
| 19 | 42098 |
| 20 | 54516 |
| 21 | 69812 |
| 22 | 88478 |
| 23 | 111061 |
| 24 | 138166 |
| 25 | 170459 |
| 26 | 208670 |
| 27 | 253596 |
| 28 | 306104 |
| 29 | 367134 |
| 30 | 437702 |
| 31 | 518903 |
| 32 | 611914 |
| 33 | 717997 |
| 34 | 838502 |
| 35 | 974870 |
| 36 | 1128636 |
| 37 | 1301432 |
| 38 | 1494990 |
| 39 | 1711145 |