A194779 - OEIS

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A194779 as a simple table

n	a(n)
1	1
2	7
3	43
4	268
5	1740
6	11862
7	85013
8	639760
9	5045610
10	41615165
11	358185399
12	3210667490
13	29914284833
14	289187621900
15	2895861006415

[1,7,43,268,1740,11862,85013,639760,5045610, 41615165,358185399,3210667490,29914284833, 289187621900,2895861006415]