Number of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11.

A233877

Number of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11.

Terms

    a(0) =76a(1) =300a(2) =1224a(3) =5156a(4) =22020a(5) =95464a(6) =415092a(7) =1819604a(8) =7964808a(9) =35055940a(10) =153816132a(11) =677977352a(12) =2977325268a(13) =13129922932a(14) =57677272968a(15) =254401366820

External references