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 | 0 |
| 2 | 25 |
| 3 | 50 |
| 4 | 90 |
| 5 | 146 |
| 6 | 169 |
| 7 | 260 |
| 8 | 289 |
| 9 | 425 |
| 10 | 529 |
| 11 | 625 |
| 12 | 900 |
| 13 | 1156 |
| 14 | 1521 |
| 15 | 1681 |
| 16 | 2025 |
| 17 | 2500 |
| 18 | 2704 |
| 19 | 3434 |
| 20 | 3600 |
| 21 | 4225 |
| 22 | 4624 |
| 23 | 4900 |
| 24 | 5625 |
| 25 | 7146 |
| 26 | 7225 |
| 27 | 8281 |
| 28 | 9409 |
| 29 | 10404 |
| 30 | 11236 |
| 31 | 11881 |
| 32 | 13225 |
| 33 | 14400 |
| 34 | 15129 |
| 35 | 16900 |
| 36 | 18769 |
| 37 | 19600 |
| 38 | 21316 |
| 39 | 23409 |
| 40 | 25281 |
| 41 | 26896 |
| 42 | 28561 |
| 43 | 30625 |
| 44 | 32400 |
| 45 | 34969 |
| 46 | 36100 |
| 47 | 40000 |
| 48 | 41209 |
| 49 | 44944 |
| 50 | 47524 |