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Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A359706 as a simple table

na(n)
10
21
30
41
51
64
77
831
995
10420
111682
127544
1333288
14152022
15696096
163231001

[0,1,0,1,1,4,7,31,95,420,1682,7544,33288,152022,
 696096,3231001]