A187597 - OEIS

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A187597 as a simple table

n	a(n)
1	12780
2	226450
3	4034228
4	71799716
5	1277660426
6	22737087954
7	404628180446
8	7200721963324
9	128143309080518
10	2280425597710644
11	40582226931510876
12	722197265643541486
13	12852150564182578146
14	228715590684800201626

[12780,226450,4034228,71799716,1277660426, 22737087954,404628180446,7200721963324, 128143309080518,2280425597710644, 40582226931510876,722197265643541486, 12852150564182578146,228715590684800201626]