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 | 9 |
| 3 | 36 |
| 4 | 100 |
| 5 | 225 |
| 6 | 441 |
| 7 | 784 |
| 8 | 1296 |
| 9 | 2025 |
| 10 | 2026 |
| 11 | 2034 |
| 12 | 2061 |
| 13 | 2125 |
| 14 | 2250 |
| 15 | 2466 |
| 16 | 2809 |
| 17 | 3321 |
| 18 | 4050 |
| 19 | 5050 |
| 20 | 5058 |
| 21 | 5085 |
| 22 | 5149 |
| 23 | 5274 |
| 24 | 5490 |
| 25 | 5833 |
| 26 | 6345 |
| 27 | 7074 |
| 28 | 8074 |
| 29 | 9405 |
| 30 | 9432 |
| 31 | 9496 |
| 32 | 9621 |
| 33 | 9837 |
| 34 | 10180 |
| 35 | 10692 |
| 36 | 11421 |
| 37 | 12421 |
| 38 | 13752 |
| 39 | 15480 |
| 40 | 15544 |
| 41 | 15669 |
| 42 | 15885 |
| 43 | 16228 |
| 44 | 16740 |
| 45 | 17469 |
| 46 | 18469 |
| 47 | 19800 |
| 48 | 21528 |
| 49 | 23725 |
| 50 | 23850 |
| 51 | 24066 |
| 52 | 24409 |
| 53 | 24921 |
| 54 | 25650 |
| 55 | 26650 |
| 56 | 27981 |
| 57 | 29709 |
| 58 | 31906 |
| 59 | 34650 |