A074790 - OEIS

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A074790 as a simple table

n	a(n)
0	1
1	5
2	101
3	4241
4	305353
5	33588829
6	5239857325
7	1100370038249
8	299300650403729
9	102360822438075317
10	42991545423991633141
11	21753721984539766369345
12	13052233190723859821607001
13	9162667699888149594768114701

[1,5,101,4241,305353,33588829,5239857325, 1100370038249,299300650403729,102360822438075317, 42991545423991633141,21753721984539766369345, 13052233190723859821607001, 9162667699888149594768114701]