94549

Appears in sequences

• Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={1,2}.at n=28A079963
• Numbers n such that n and pi(n) (A000720) are palindromic.at n=34A103357
• Number of (n+2)X4 binary arrays avoiding patterns 001 and 010 in rows and columns.at n=4A202610
• Number of (n+2) X 7 binary arrays avoiding patterns 001 and 010 in rows and columns.at n=1A202613
• T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 001 and 010 in rows and columns.at n=16A202616
• T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 001 and 010 in rows and columns.at n=19A202616
• a(n) = round(Product_{k=1..n} (1 + 1/2^2^(-k))).at n=17A383471