45470

Appears in sequences

• Fibonacci sequence beginning 4, 26.at n=17A022386
• Number of nonempty subsets of {1, 2, ..., n} with <=7 pairwise coprime elements.at n=30A187268
• Number of partitions p of n such that (number of even numbers in p) <= (number of odd numbers in p).at n=43A241637
• Number of (n+1)X(2+1) 0..4 arrays with every 2X2 subblock summing to a prime.at n=1A251509
• T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with every 2X2 subblock summing to a prime.at n=4A251515