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) |
|---|---|
| 3 | 6 |
| 4 | 25 |
| 5 | 67 |
| 6 | 145 |
| 7 | 275 |
| 8 | 476 |
| 9 | 770 |
| 10 | 1182 |
| 11 | 1740 |
| 12 | 2475 |
| 13 | 3421 |
| 14 | 4615 |
| 15 | 6097 |
| 16 | 7910 |
| 17 | 10100 |
| 18 | 12716 |
| 19 | 15810 |
| 20 | 19437 |
| 21 | 23655 |
| 22 | 28525 |
| 23 | 34111 |
| 24 | 40480 |
| 25 | 47702 |
| 26 | 55850 |
| 27 | 65000 |
| 28 | 75231 |
| 29 | 86625 |
| 30 | 99267 |
| 31 | 113245 |
| 32 | 128650 |
| 33 | 145576 |
| 34 | 164120 |
| 35 | 184382 |
| 36 | 206465 |
| 37 | 230475 |
| 38 | 256521 |
| 39 | 284715 |
| 40 | 315172 |