Triangle T(n,k) giving number of fixed 5 X k polyominoes with n cells (n >= 5, 1<=k<=n-4).

Terms

a(0) =1a(1) =0a(2) =16a(3) =0a(4) =38a(5) =83a(6) =0a(7) =32a(8) =376a(9) =230a(10) =0a(11) =10a(12) =784a(13) =1526a(14) =497a(15) =0a(16) =1a(17) =987a(18) =5154a(19) =4180a(20) =932a(21) =0a(22) =0a(23) =778a(24) =11328a(25) =18944a(26) =9458a(27) =1591a(28) =0a(29) =0