A223147 - OEIS

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A223147 as a simple table

n	a(n)
1	24
2	990
3	23376
4	1753639
5	35160014
6	2829178640
7	57855419616
8	4836446707793
9	101866996330559
10	8702834137106991
11	187759794261834710
12	16250488781543733341
13	356862837288707460939
14	31136852536742130487995

[24,990,23376,1753639,35160014,2829178640, 57855419616,4836446707793,101866996330559, 8702834137106991,187759794261834710, 16250488781543733341,356862837288707460939, 31136852536742130487995]