Number of n X 7 1..2 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nondecreasing order.

A166812

Number of n X 7 1..2 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nondecreasing order.

Terms

    a(0) =6a(1) =34a(2) =118a(3) =328a(4) =790a(5) =1714a(6) =3430a(7) =6433a(8) =11438a(9) =19446a(10) =31822a(11) =50386a(12) =77518a(13) =116278a(14) =170542a(15) =245155a(16) =346102a(17) =480698a(18) =657798a(19) =888028a(20) =1184038a(21) =1560778a(22) =2035798a(23) =2629573a(24) =3365854a(25) =4272046a(26) =5379614a(27) =6724518a(28) =8347678a(29) =10295470

External references