0,2

a(n)=Product{k=0..n, (2(k+1)(2k+1))^(n-k)}; a(n)=A000178(n)*A057863(n)*A006125(n+1)=A121835(n)*A006125(n+1);

Sequence in context: A081960 A123742 A098694 this_sequence A057527 A046873 A100540

Adjacent sequences: A137589 A137590 A137591 this_sequence A137593 A137594 A137595

easy,nonn

Paul Barry (pbarry(AT)wit.ie), Jan 28 2008