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 | 1 |
| 2 | 36 |
| 3 | 136 |
| 4 | 276 |
| 5 | 1176 |
| 6 | 2016 |
| 7 | 2556 |
| 8 | 2628 |
| 9 | 3240 |
| 10 | 4560 |
| 11 | 11628 |
| 12 | 12720 |
| 13 | 12880 |
| 14 | 18336 |
| 15 | 18528 |
| 16 | 25200 |
| 17 | 32640 |
| 18 | 32896 |
| 19 | 51360 |
| 20 | 64620 |
| 21 | 73920 |
| 22 | 86320 |
| 23 | 89676 |
| 24 | 100128 |
| 25 | 114960 |
| 26 | 115440 |
| 27 | 126756 |
| 28 | 131328 |
| 29 | 148240 |
| 30 | 166176 |
| 31 | 248160 |
| 32 | 253116 |
| 33 | 265356 |
| 34 | 270480 |
| 35 | 294528 |
| 36 | 295296 |
| 37 | 320400 |
| 38 | 345696 |
| 39 | 373680 |
| 40 | 380628 |
| 41 | 400960 |
| 42 | 401856 |
| 43 | 438516 |