A186047 - OEIS

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A186047 as a simple table

n	a(n)
1	72802
2	2270854
3	69579654
4	1926378146
5	56374248542
6	1642063770394
7	47475070890310
8	1379260723246658
9	40045291785767870
10	1162075116201924610
11	33736323804548467326
12	979334920036778030402
13	28428312586829238181558

[72802,2270854,69579654,1926378146,56374248542, 1642063770394,47475070890310,1379260723246658, 40045291785767870,1162075116201924610, 33736323804548467326,979334920036778030402, 28428312586829238181558]