A230067 - OEIS

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A230067 as a simple table

n	a(n)
1	0
2	3969
3	266805
4	137945025
5	43142680647
6	15615593045649
7	5392746297039195
8	1888668174848027049
9	658744922326993528365
10	230036351941714961424609
11	80301571203375381579772923
12	28034704123779041409942781569

[0,3969,266805,137945025,43142680647, 15615593045649,5392746297039195, 1888668174848027049,658744922326993528365, 230036351941714961424609, 80301571203375381579772923, 28034704123779041409942781569]