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 | 21 |
| 3 | 44 |
| 4 | 69 |
| 5 | 96 |
| 6 | 156 |
| 7 | 225 |
| 8 | 296 |
| 9 | 369 |
| 10 | 444 |
| 11 | 521 |
| 12 | 600 |
| 13 | 681 |
| 14 | 764 |
| 15 | 849 |
| 16 | 936 |
| 17 | 1025 |
| 18 | 1236 |
| 19 | 1449 |
| 20 | 1664 |
| 21 | 1881 |
| 22 | 2100 |
| 23 | 2321 |
| 24 | 2544 |
| 25 | 2769 |
| 26 | 2996 |
| 27 | 3225 |
| 28 | 3456 |
| 29 | 3689 |
| 30 | 3924 |
| 31 | 4161 |
| 32 | 4400 |
| 33 | 4641 |
| 34 | 4884 |
| 35 | 5129 |
| 36 | 5376 |
| 37 | 5625 |
| 38 | 5876 |
| 39 | 6129 |
| 40 | 6384 |
| 41 | 6641 |
| 42 | 6900 |
| 43 | 7161 |
| 44 | 7424 |
| 45 | 7689 |
| 46 | 7956 |
| 47 | 8225 |
| 48 | 8496 |
| 49 | 8769 |
| 50 | 9044 |
| 51 | 9321 |
| 52 | 9600 |