A219458 - OEIS

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A219458 as a simple table

n	a(n)
1	56
2	116
3	9146
4	197308
5	5544714
6	124508284
7	2651269670
8	53196852108
9	1047933583037
10	20209185822504
11	378007643734290

[56,116,9146,197308,5544714,124508284,2651269670, 53196852108,1047933583037,20209185822504, 378007643734290]