A216458 - OEIS

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A216458 as a simple table

n	a(n)
1	2
2	5
3	203
4	3429
5	580479
6	20880505
7	8195008751
8	484968748793
9	348950573407587
10	30012936243058237
11	34789578208577116867
12	4040674235335081456861
13	6947043903258606579346103
14	1037627124289198371293601937

[2,5,203,3429,580479,20880505,8195008751, 484968748793,348950573407587,30012936243058237, 34789578208577116867,4040674235335081456861, 6947043903258606579346103, 1037627124289198371293601937]