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 | 3 |
| 2 | 5 |
| 3 | 16 |
| 4 | 33 |
| 5 | 96 |
| 6 | 133 |
| 7 | 240 |
| 8 | 297 |
| 9 | 448 |
| 10 | 741 |
| 11 | 840 |
| 12 | 1225 |
| 13 | 1512 |
| 14 | 1653 |
| 15 | 1984 |
| 16 | 2553 |
| 17 | 3192 |
| 18 | 3397 |
| 19 | 4128 |
| 20 | 4641 |
| 21 | 4888 |
| 22 | 5757 |
| 23 | 6360 |
| 24 | 7345 |
| 25 | 8784 |
| 26 | 9525 |
| 27 | 9880 |
| 28 | 10665 |
| 29 | 11040 |
| 30 | 11869 |
| 31 | 15168 |
| 32 | 16137 |
| 33 | 17680 |
| 34 | 18165 |
| 35 | 20976 |
| 36 | 21505 |
| 37 | 23280 |
| 38 | 25125 |
| 39 | 26368 |
| 40 | 28329 |
| 41 | 30360 |