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 | 4 |
| 2 | 15 |
| 3 | 32 |
| 4 | 55 |
| 5 | 84 |
| 6 | 119 |
| 7 | 160 |
| 8 | 207 |
| 9 | 260 |
| 10 | 319 |
| 11 | 384 |
| 12 | 455 |
| 13 | 532 |
| 14 | 615 |
| 15 | 704 |
| 16 | 799 |
| 17 | 900 |
| 18 | 1007 |
| 19 | 1120 |
| 20 | 1239 |
| 21 | 1364 |
| 22 | 1495 |
| 23 | 1632 |
| 24 | 1775 |
| 25 | 1924 |
| 26 | 2079 |
| 27 | 2240 |
| 28 | 2407 |
| 29 | 2580 |
| 30 | 2759 |
| 31 | 2944 |
| 32 | 3135 |
| 33 | 3332 |
| 34 | 3535 |
| 35 | 3744 |
| 36 | 3959 |
| 37 | 4180 |
| 38 | 4407 |
| 39 | 4640 |
| 40 | 4879 |
| 41 | 5124 |
| 42 | 5375 |
| 43 | 5632 |
| 44 | 5895 |
| 45 | 6164 |
| 46 | 6439 |
| 47 | 6720 |
| 48 | 7007 |
| 49 | 7300 |
| 50 | 7599 |