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 | 6 |
| 2 | 10 |
| 3 | 15 |
| 4 | 21 |
| 5 | 28 |
| 6 | 36 |
| 7 | 45 |
| 8 | 55 |
| 9 | 66 |
| 10 | 231 |
| 11 | 528 |
| 12 | 666 |
| 13 | 1128 |
| 14 | 2016 |
| 15 | 2211 |
| 16 | 2628 |
| 17 | 2775 |
| 18 | 3003 |
| 19 | 3570 |
| 20 | 3916 |
| 21 | 4095 |
| 22 | 5995 |
| 23 | 6105 |
| 24 | 6216 |
| 25 | 6903 |
| 26 | 8646 |
| 27 | 21736 |
| 28 | 31878 |
| 29 | 34980 |
| 30 | 37950 |
| 31 | 43956 |
| 32 | 45753 |
| 33 | 52003 |
| 34 | 58653 |
| 35 | 65703 |
| 36 | 66066 |
| 37 | 73153 |
| 38 | 83028 |
| 39 | 89676 |
| 40 | 93528 |
| 41 | 116886 |