66575

Appears in sequences

• Numbers k such that (61*10^k - 7)/9 is prime.at n=24A056718
• Sum of numbers of bipartite partitions of (n,k) into distinct pairs for 0<=k<=n.at n=11A219557
• Satisfies the recurrence a(n) = 3*a(n-1)-a(n-2)+a(n-3)-2*a(n-4)+2*a(n-5).at n=11A282732
• Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=6A316173
• Number of nX7 0..1 arrays with every element unequal to 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=4A316175
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=59A316176