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 | 8 |
| 4 | 29 |
| 5 | 78 |
| 6 | 170 |
| 7 | 324 |
| 8 | 579 |
| 9 | 918 |
| 10 | 1472 |
| 11 | 2106 |
| 12 | 3126 |
| 13 | 4174 |
| 14 | 5904 |
| 15 | 7500 |
| 16 | 10189 |
| 17 | 12458 |
| 18 | 16563 |
| 19 | 19574 |
| 20 | 25312 |
| 21 | 29538 |
| 22 | 37320 |
| 23 | 42456 |
| 24 | 53472 |
| 25 | 59456 |
| 26 | 73482 |
| 27 | 81806 |
| 28 | 99268 |
| 29 | 108352 |
| 30 | 132084 |
| 31 | 141814 |
| 32 | 170411 |
| 33 | 184076 |
| 34 | 217438 |
| 35 | 231322 |
| 36 | 276579 |
| 37 | 289408 |
| 38 | 340624 |
| 39 | 361128 |
| 40 | 419734 |