A113352 - OEIS

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A113352 as a simple table

n	a(n)
0	1
1	6
2	51
3	561
4	7726
5	129406
6	2572892
7	59525136
8	1576414408
9	47144606666
10	1574176301192
11	58126182666796
12	2354183194432226
13	103850488571214174
14	4959424774062415780
15	255032863135423053615
16	14056171975717324065788

[1,6,51,561,7726,129406,2572892,59525136, 1576414408,47144606666,1574176301192, 58126182666796,2354183194432226, 103850488571214174,4959424774062415780, 255032863135423053615,14056171975717324065788]