73345

Appears in sequences

• Number of (n+1)X(n+1) 0..1 arrays with the permanents of all 2X2 subblocks equal and nonzero.at n=4A204706
• Number of (n+1) X 6 0..1 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.at n=4A204710
• T(n,k) is the number of (n+1) X (k+1) 0..1 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.at n=40A204713
• Numbers k such that sigma(2*k-1) is a prime p.at n=17A247820
• T(n,k) = Number of (n+2) X (k+2) 0..1 arrays with each row divisible by 5 and each column divisible by 7, read as a binary number with top and left being the most significant bits.at n=47A262759
• Number of (3+2)X(n+2) 0..1 arrays with each row divisible by 5 and each column divisible by 7, read as a binary number with top and left being the most significant bits.at n=7A262760