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 | 441 |
| 2 | 693 |
| 3 | 1089 |
| 4 | 1197 |
| 5 | 1449 |
| 6 | 1617 |
| 7 | 1881 |
| 8 | 1953 |
| 9 | 2277 |
| 10 | 2541 |
| 11 | 2709 |
| 12 | 2793 |
| 13 | 2961 |
| 14 | 3069 |
| 15 | 3249 |
| 16 | 3381 |
| 17 | 3717 |
| 18 | 3933 |
| 19 | 4221 |
| 20 | 4257 |
| 21 | 4389 |
| 22 | 4473 |
| 23 | 4557 |
| 24 | 4653 |
| 25 | 4761 |
| 26 | 4977 |
| 27 | 5229 |
| 28 | 5301 |
| 29 | 5313 |
| 30 | 5841 |
| 31 | 5929 |
| 32 | 6321 |
| 33 | 6417 |
| 34 | 6489 |
| 35 | 6633 |
| 36 | 6741 |
| 37 | 6897 |
| 38 | 6909 |
| 39 | 7029 |
| 40 | 7161 |
| 41 | 7353 |
| 42 | 7581 |