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 | 110 |
| 5 | 211 |
| 6 | 372 |
| 7 | 615 |
| 8 | 966 |
| 9 | 1455 |
| 10 | 2117 |
| 11 | 2991 |
| 12 | 4120 |
| 13 | 5551 |
| 14 | 7334 |
| 15 | 9524 |
| 16 | 12180 |
| 17 | 15365 |
| 18 | 19146 |
| 19 | 23594 |
| 20 | 28784 |
| 21 | 34795 |
| 22 | 41711 |
| 23 | 49619 |
| 24 | 58611 |
| 25 | 68783 |
| 26 | 80234 |
| 27 | 93067 |
| 28 | 107389 |
| 29 | 123312 |
| 30 | 140952 |
| 31 | 160430 |
| 32 | 181870 |
| 33 | 205400 |
| 34 | 231152 |
| 35 | 259261 |
| 36 | 289867 |
| 37 | 323114 |
| 38 | 359151 |
| 39 | 398131 |
| 40 | 440211 |
| 41 | 485551 |
| 42 | 534315 |
| 43 | 586672 |
| 44 | 642794 |
| 45 | 702858 |
| 46 | 767045 |
| 47 | 835540 |
| 48 | 908532 |
| 49 | 986214 |