A112943 - OEIS

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A112943 as a simple table

n	a(n)
1	1
2	11
3	181
4	4031
5	114001
6	3917771
7	158531941
8	7380184511
9	388385146081
10	22791211333451
11	1475182111403221
12	104384110708795391
13	8015356365346614961
14	663741406196190241931
15	58957686544170035607301

[1,11,181,4031,114001,3917771,158531941, 7380184511,388385146081,22791211333451, 1475182111403221,104384110708795391, 8015356365346614961,663741406196190241931, 58957686544170035607301]