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 | 8 |
| 3 | 30 |
| 4 | 80 |
| 5 | 175 |
| 6 | 336 |
| 7 | 588 |
| 8 | 960 |
| 9 | 1485 |
| 10 | 2200 |
| 11 | 3146 |
| 12 | 4368 |
| 13 | 5915 |
| 14 | 7840 |
| 15 | 10200 |
| 16 | 13056 |
| 17 | 16473 |
| 18 | 20520 |
| 19 | 25270 |
| 20 | 30800 |
| 21 | 37191 |
| 22 | 44528 |
| 23 | 52900 |
| 24 | 62400 |
| 25 | 73125 |
| 26 | 85176 |
| 27 | 98658 |
| 28 | 113680 |
| 29 | 130355 |
| 30 | 148800 |
| 31 | 169136 |
| 32 | 191488 |
| 33 | 215985 |
| 34 | 242760 |
| 35 | 271950 |
| 36 | 303696 |
| 37 | 338143 |
| 38 | 375440 |
| 39 | 415740 |