Number of (n+1) X (3+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).
A234661
Number of (n+1) X (3+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).
Terms
- a(0) =11112a(1) =52646a(2) =250792a(3) =1219652a(4) =5969944a(5) =29828832a(6) =150093796a(7) =770712800a(8) =3987209216a(9) =21036841216a(10) =111842789152a(11) =605833742520
External references
- oeis: A234661