67518

Appears in sequences

• Numbers k such that k*((2^61-1)^2) - 1 and k*((2^61-1)^2) + 1 are twin primes.at n=13A099229
• Number of (n+1)X4 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.at n=3A204718
• Number of (n+1)X5 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.at n=2A204719
• T(n,k) = Number of (n+1) X (k+1) 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.at n=17A204723
• T(n,k) = Number of (n+1) X (k+1) 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.at n=18A204723
• Number of (n+1) X (2+1) 0..2 arrays with no 2 X 2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements.at n=4A251107
• Number of (n+1)X(5+1) 0..2 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements.at n=1A251110
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements.at n=16A251113
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements.at n=19A251113
• Diagonal of the triangle A354700.at n=25A354701