A230707 - OEIS

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A230707 as a simple table

n	a(n)
1	3956
2	173428
3	8053490
4	342031378
5	14669811856
6	625553036008
7	26681634560690
8	1137681116923966
9	48508501856178526
10	2068224674692996586
11	88181384650502245634
12	3759701430154725238638
13	160298702553771350622996

[3956,173428,8053490,342031378,14669811856, 625553036008,26681634560690,1137681116923966, 48508501856178526,2068224674692996586, 88181384650502245634,3759701430154725238638, 160298702553771350622996]