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) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 20 |
| 3 | 51 |
| 4 | 111 |
| 5 | 216 |
| 6 | 386 |
| 7 | 646 |
| 8 | 1026 |
| 9 | 1560 |
| 10 | 2287 |
| 11 | 3251 |
| 12 | 4500 |
| 13 | 6086 |
| 14 | 8066 |
| 15 | 10502 |
| 16 | 13460 |
| 17 | 17011 |
| 18 | 21231 |
| 19 | 26200 |
| 20 | 32002 |
| 21 | 38726 |
| 22 | 46466 |
| 23 | 55320 |
| 24 | 65391 |
| 25 | 76787 |
| 26 | 89620 |
| 27 | 104006 |
| 28 | 120066 |
| 29 | 137926 |
| 30 | 157716 |
| 31 | 179571 |
| 32 | 203631 |
| 33 | 230040 |
| 34 | 258946 |
| 35 | 290502 |
| 36 | 324866 |
| 37 | 362200 |
| 38 | 402671 |
| 39 | 446451 |
| 40 | 493716 |
| 41 | 544646 |
| 42 | 599426 |
| 43 | 658246 |
| 44 | 721300 |
| 45 | 788787 |
| 46 | 860911 |
| 47 | 937880 |
| 48 | 1019906 |