A190070 - OEIS

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A190070 as a simple table

n	a(n)
1	56
2	536
3	6946
4	92478
5	1291797
6	18951546
7	282859251
8	4232955454
9	63898862902
10	972408511316
11	14859125421285
12	227805216299376
13	3504714306481893
14	54079878634478640
15	836480995724826396
16	12965711458798193610

[56,536,6946,92478,1291797,18951546,282859251, 4232955454,63898862902,972408511316, 14859125421285,227805216299376,3504714306481893, 54079878634478640,836480995724826396, 12965711458798193610]