Number of (n+1) X (1+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).
A234483
Number of (n+1) X (1+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) =62a(1) =242a(2) =944a(3) =3686a(4) =14402a(5) =56312a(6) =220334a(7) =862706a(8) =3380192a(9) =13252982a(10) =51996674a(11) =204137576a(12) =801957182a(13) =3152502002a(14) =12400248464a(15) =48805735046a(16) =192207885122a(17) =757400598872
External references
- oeis: A234483