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 | 0 |
| 1 | 1 |
| 2 | 6 |
| 3 | 13 |
| 4 | 24 |
| 5 | 37 |
| 6 | 54 |
| 7 | 73 |
| 8 | 96 |
| 9 | 121 |
| 10 | 150 |
| 11 | 181 |
| 12 | 216 |
| 13 | 253 |
| 14 | 294 |
| 15 | 337 |
| 16 | 384 |
| 17 | 433 |
| 18 | 486 |
| 19 | 541 |
| 20 | 600 |
| 21 | 661 |
| 22 | 726 |
| 23 | 793 |
| 24 | 864 |
| 25 | 937 |
| 26 | 1014 |
| 27 | 1093 |
| 28 | 1176 |
| 29 | 1261 |
| 30 | 1350 |
| 31 | 1441 |
| 32 | 1536 |
| 33 | 1633 |
| 34 | 1734 |
| 35 | 1837 |
| 36 | 1944 |
| 37 | 2053 |
| 38 | 2166 |
| 39 | 2281 |
| 40 | 2400 |
| 41 | 2521 |
| 42 | 2646 |
| 43 | 2773 |
| 44 | 2904 |
| 45 | 3037 |
| 46 | 3174 |
| 47 | 3313 |
| 48 | 3456 |
| 49 | 3601 |
| 50 | 3750 |