A079363 - OEIS

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A079363 as a simple table

n	a(n)
1	5
2	17
3	53
4	4373
5	13121
6	1062881
7	6973568801
8	188286357653
9	15251194969973
10	100063090197999413
11	1046695266054721074427023041
12	763040848953891663257299797617
13	556256778887387022514571552463521

[5,17,53,4373,13121,1062881,6973568801, 188286357653,15251194969973,100063090197999413, 1046695266054721074427023041, 763040848953891663257299797617, 556256778887387022514571552463521]