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 | 0 |
| 2 | 1 |
| 3 | 4 |
| 4 | 9 |
| 5 | 19 |
| 6 | 30 |
| 7 | 51 |
| 8 | 73 |
| 9 | 106 |
| 10 | 140 |
| 11 | 195 |
| 12 | 241 |
| 13 | 319 |
| 14 | 388 |
| 15 | 480 |
| 16 | 572 |
| 17 | 708 |
| 18 | 813 |
| 19 | 984 |
| 20 | 1124 |
| 21 | 1310 |
| 22 | 1485 |
| 23 | 1738 |
| 24 | 1926 |
| 25 | 2216 |
| 26 | 2462 |
| 27 | 2777 |
| 28 | 3059 |
| 29 | 3465 |
| 30 | 3749 |
| 31 | 4214 |
| 32 | 4590 |
| 33 | 5060 |
| 34 | 5484 |
| 35 | 6048 |
| 36 | 6474 |
| 37 | 7140 |
| 38 | 7671 |
| 39 | 8331 |
| 40 | 8899 |
| 41 | 9719 |
| 42 | 10289 |
| 43 | 11192 |
| 44 | 11902 |
| 45 | 12754 |
| 46 | 13535 |
| 47 | 14616 |