Number of (n+1) X (6+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant-stress 1 X 1 tilings).
A234726
Number of (n+1) X (6+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant-stress 1 X 1 tilings).
Terms
- a(0) =339328a(1) =692512a(2) =1349336a(3) =3403528a(4) =8002936a(5) =23137720a(6) =62379416a(7) =197412088a(8) =587074168a(9) =1982807032a(10) =6335722136a(11) =22491544888a(12) =75906457336a(13) =280381206520a(14) =988119053336
External references
- oeis: A234726