Number of (n+1) X (8+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).
A235298
Number of (n+1) X (8+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).
Terms
- a(0) =37536a(1) =42100a(2) =48128a(3) =60856a(4) =79728a(5) =120112a(6) =187184a(7) =333952a(8) =603216a(9) =1215520a(10) =2436848a(11) =5377696a(12) =11665488a(13) =27888352a(14) =64536944a(15) =165624352a(16) =403225296a(17) =1094345440a(18) =2761046768a(19) =7789147936a(20) =20102042448a(21) =58106855392a(22) =151988104304
External references
- oeis: A235298