Number of (n+1) X (2+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).
A234484
Number of (n+1) X (2+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).
Terms
- a(0) =242a(1) =926a(2) =3540a(3) =13554a(4) =51950a(5) =199340a(6) =765738a(7) =2944686a(8) =11336132a(9) =43687010a(10) =168537102a(11) =650861628a(12) =2516088026a(13) =9736457486a(14) =37714463508a(15) =146231331858a(16) =567534230318
External references
- oeis: A234484