290164

Appears in sequences

• a(0)=1, a(1)=2; thereafter a(n) = f(n-1) + f(n-2) where f() = A164387().at n=21A185265
• Number of (n+1) X (1+1) 0..4 arrays with every 2 X 2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12.at n=7A234107
• T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12.at n=28A234114
• T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12.at n=35A234114