Duplicate of A086646.

Terms

a(0) =1a(1) =1a(2) =1a(3) =5a(4) =6a(5) =1a(6) =61a(7) =75a(8) =15a(9) =1a(10) =1385a(11) =1708a(12) =350a(13) =28a(14) =1a(15) =50521a(16) =62325a(17) =12810a(18) =1050a(19) =45a(20) =1