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 | 4 |
| 2 | 39 |
| 3 | 159 |
| 4 | 445 |
| 5 | 1005 |
| 6 | 1974 |
| 7 | 3514 |
| 8 | 5814 |
| 9 | 9090 |
| 10 | 13585 |
| 11 | 19569 |
| 12 | 27339 |
| 13 | 37219 |
| 14 | 49560 |
| 15 | 64740 |
| 16 | 83164 |
| 17 | 105264 |
| 18 | 131499 |
| 19 | 162355 |
| 20 | 198345 |
| 21 | 240009 |
| 22 | 287914 |
| 23 | 342654 |
| 24 | 404850 |
| 25 | 475150 |
| 26 | 554229 |
| 27 | 642789 |
| 28 | 741559 |
| 29 | 851295 |
| 30 | 972780 |
| 31 | 1106824 |
| 32 | 1254264 |
| 33 | 1415964 |
| 34 | 1592815 |
| 35 | 1785735 |