A196911 - OEIS

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A196911 as a simple table

n	a(n)
1	13
2	487
3	10970
4	280860
5	7352954
6	200038888
7	5388703976
8	145478400315
9	3933296800409
10	106294282176389
11	2872553552092524
12	77641656013643280
13	2098667174973445583
14	56728541446185446120
15	1533438828790467176239

[13,487,10970,280860,7352954,200038888,5388703976, 145478400315,3933296800409,106294282176389, 2872553552092524,77641656013643280, 2098667174973445583,56728541446185446120, 1533438828790467176239]