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 | 48 |
| 3 | 84 |
| 4 | 216 |
| 5 | 252 |
| 6 | 276 |
| 7 | 408 |
| 8 | 420 |
| 9 | 444 |
| 10 | 468 |
| 11 | 480 |
| 12 | 612 |
| 13 | 636 |
| 14 | 672 |
| 15 | 696 |
| 16 | 804 |
| 17 | 828 |
| 18 | 840 |
| 19 | 864 |
| 20 | 888 |
| 21 | 2100 |
| 22 | 2112 |
| 23 | 2124 |
| 24 | 2136 |
| 25 | 2148 |
| 26 | 2160 |
| 27 | 2172 |
| 28 | 2184 |
| 29 | 2196 |
| 30 | 2304 |
| 31 | 2316 |
| 32 | 2328 |
| 33 | 2340 |
| 34 | 2352 |
| 35 | 2364 |
| 36 | 2376 |
| 37 | 2388 |
| 38 | 2508 |
| 39 | 2520 |
| 40 | 2532 |
| 41 | 2544 |
| 42 | 2556 |
| 43 | 2568 |
| 44 | 2580 |
| 45 | 2592 |
| 46 | 2700 |
| 47 | 2712 |