A231193 - OEIS

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A231193 as a simple table

n	a(n)
1	67
2	1413
3	31665
4	704428
5	15698874
6	349736292
7	7791727354
8	173590087438
9	3867375772894
10	86160416104014
11	1919549013278026
12	42765211455425302
13	952756766481301782
14	21226259035646084422
15	472895169574435473198

[67,1413,31665,704428,15698874,349736292, 7791727354,173590087438,3867375772894, 86160416104014,1919549013278026,42765211455425302, 952756766481301782,21226259035646084422, 472895169574435473198]

[67,1413,31665,704428,15698874,349736292,
 7791727354,173590087438,3867375772894,
 86160416104014,1919549013278026,42765211455425302,
 952756766481301782,21226259035646084422,
 472895169574435473198]