Number of (n+1) X 2 binary arrays with no 2 X 2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2 X 2 subblock diagonal sum less antidiagonal sum.

A186842

Number of (n+1) X 2 binary arrays with no 2 X 2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2 X 2 subblock diagonal sum less antidiagonal sum.

Terms

    a(0) =16a(1) =50a(2) =162a(3) =512a(4) =1626a(5) =5182a(6) =16476a(7) =52378a(8) =166634a(9) =529984a(10) =1685474a(11) =5360790a(12) =17050124a(13) =54227106a(14) =172469170a(15) =548538048a(16) =1744617610a(17) =5548740302a(18) =17647726972a(19) =56128428362a(20) =178515953178a(21) =567768430400

External references