1114416

Appears in sequences

• b(n)*b(n+1), where b() = A000930().at n=19A170935
• Number of permutations (p(1), p(2), ..., p(n)) satisfying -k <= p(i)-i <= r and p(i)-i not in the set I, i=1..n, with k=2, r=4, I={-1,1,2,3}.at n=39A224809