Number of n X 7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically.

A207702

Number of n X 7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically.

Terms

    a(0) =40a(1) =1600a(2) =13230a(3) =61254a(4) =206910a(5) =571350a(6) =1369900a(7) =2956980a(8) =5883084a(9) =10965220a(10) =19372210a(11) =32726250a(12) =53222130a(13) =83765514a(14) =128131680a(15) =191146120a(16) =278888400a(17) =398920680a(18) =560542294a(19) =775071790a(20) =1056157830a(21) =1420120350a(22) =1886323380

External references