A125416 - OEIS

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A125416 as a simple table

n	a(n)
0	1
1	28
2	322
3	3010
4	32830
5	364658
6	4147612
7	47830608
8	557530518
9	6551280562
10	77467665302
11	920625665702
12	10984613101924
13	131489273810104
14	1578096648395736
15	18980188700616500
16	228674496511259030

[1,28,322,3010,32830,364658,4147612,47830608, 557530518,6551280562,77467665302,920625665702, 10984613101924,131489273810104,1578096648395736, 18980188700616500,228674496511259030]