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A369649 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 8 |
| 4 | 9 |
| 5 | 32 |
| 6 | 240 |
| 7 | 30272 |
| 8 | 510720 |
| 9 | 223635968 |
| 10 | 6469693440 |
| 11 | 6470203776 |
| 12 | 200560520192 |
| 13 | 200793823232 |
| 14 | 304250487160832 |
| 15 | 13082767811575808 |
| 16 | 13090182069805056 |
| 17 | 32602248665739755520 |
| 18 | 1955964710091685625856 |
| 19 | 117289009331951114780672 |
| 20 | 557940862715864858896105472 |
| 21 | 558058119122955571275235328 |
| 22 | 40729680631838190048559235072 |
[1,2,8,9,32,240,30272,510720,223635968,6469693440, 6470203776,200560520192,200793823232, 304250487160832,13082767811575808, 13090182069805056,32602248665739755520, 1955964710091685625856,117289009331951114780672, 557940862715864858896105472, 558058119122955571275235328, 40729680631838190048559235072] |