42346

Appears in sequences

• Numbers k such that 3*5^k + 2 is prime.at n=24A057916
• Numbers n such that sigma(n+1) = reverse(sigma(n)).at n=1A074242
• Number of (n+1) X 2 binary arrays with every 2 X 2 subblock determinant equal to some horizontal or vertical neighbor 2 X 2 subblock determinant.at n=8A185479
• T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant.at n=36A185487
• T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.at n=36A186902