A201341 - OEIS

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A201341 as a simple table

n	a(n)
1	0
2	15
3	295
4	6304
5	120750
6	1977305
7	28778603
8	384578235
9	4826582648
10	57769170135
11	666507302212
12	7467860256482
13	81701886884909
14	876350926474594
15	9244732890227899
16	96149151282735127
17	987831159810408273

[0,15,295,6304,120750,1977305,28778603,384578235, 4826582648,57769170135,666507302212,7467860256482, 81701886884909,876350926474594,9244732890227899, 96149151282735127,987831159810408273]