A234354 - OEIS

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A234354 as a simple table

n	a(n)
4	1
5	47
6	1112
7	11743
8	82988
9	433372
10	1820163
11	6459496
12	20287372
13	57129426
14	147915285
15	356109110
16	804785159
17	1722171831

[1,47,1112,11743,82988,433372,1820163,6459496, 20287372,57129426,147915285,356109110,804785159, 1722171831]