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 | 4 |
| 2 | 16 |
| 3 | 28 |
| 4 | 56 |
| 5 | 68 |
| 6 | 120 |
| 7 | 132 |
| 8 | 192 |
| 9 | 228 |
| 10 | 296 |
| 11 | 308 |
| 12 | 440 |
| 13 | 452 |
| 14 | 536 |
| 15 | 612 |
| 16 | 736 |
| 17 | 748 |
| 18 | 920 |
| 19 | 932 |
| 20 | 1112 |
| 21 | 1204 |
| 22 | 1320 |
| 23 | 1332 |
| 24 | 1624 |
| 25 | 1676 |
| 26 | 1808 |
| 27 | 1916 |
| 28 | 2144 |
| 29 | 2156 |
| 30 | 2496 |
| 31 | 2508 |
| 32 | 2760 |
| 33 | 2884 |
| 34 | 3048 |
| 35 | 3156 |
| 36 | 3600 |
| 37 | 3612 |
| 38 | 3792 |
| 39 | 3932 |
| 40 | 4336 |
| 41 | 4348 |
| 42 | 4784 |
| 43 | 4796 |
| 44 | 5120 |
| 45 | 5388 |
| 46 | 5600 |
| 47 | 5612 |
| 48 | 6224 |
| 49 | 6292 |
| 50 | 6640 |
| 51 | 6812 |
| 52 | 7184 |
| 53 | 7196 |
| 54 | 7728 |
| 55 | 7868 |
| 56 | 8384 |