login

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”).

A147632 as a simple table

na(n)
01
10
20
30
40
50
65040
712544
830366
912544
105040
110
120
130
140
150
161

[1,0,0,0,0,0,5040,12544,30366,12544,5040,0,0,0,0,
 0,1]