A126462 - OEIS

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A126462 as a simple table

n	a(n)
0	1
1	1
2	6
3	75
4	1565
5	48950
6	2145626
7	125727238
8	9507150815
9	902519025315
10	105203477607220
11	14786330708536422
12	2467862211341410635
13	482812610434512386665
14	109492763990117261581870

[1,1,6,75,1565,48950,2145626,125727238,9507150815, 902519025315,105203477607220,14786330708536422, 2467862211341410635,482812610434512386665, 109492763990117261581870]