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A222951 as a simple table
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2256 |
| 3 | 125664 |
| 4 | 8579208 |
| 5 | 436075392 |
| 6 | 25670781880 |
| 7 | 1318401732192 |
| 8 | 74325398290456 |
| 9 | 3851979765811744 |
| 10 | 213021713761427836 |
| 11 | 11107559755380176496 |
| 12 | 607834111663512093200 |
| 13 | 31825816417857647397600 |
| 14 | 1730405083684853119755316 |
[0,2256,125664,8579208,436075392,25670781880, 1318401732192,74325398290456,3851979765811744, 213021713761427836,11107559755380176496, 607834111663512093200,31825816417857647397600, 1730405083684853119755316] |