A250596 - OEIS

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A250596 as a simple table

n	a(n)
1	1259712
2	27993600
3	622080000
4	13824000000
5	144000000000
6	1500000000000
7	15625000000000
8	103359375000000
9	683722265625000
10	4522822787109375
11	22063334627250000
12	107629849274976000
13	525042322507616256

[1259712,27993600,622080000,13824000000, 144000000000,1500000000000,15625000000000, 103359375000000,683722265625000,4522822787109375, 22063334627250000,107629849274976000, 525042322507616256]