Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and all but the outermost row or column zero.

A162024

Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and all but the outermost row or column zero.

Terms

    a(0) =7a(1) =20a(2) =40a(3) =68a(4) =104a(5) =148a(6) =200a(7) =260a(8) =328a(9) =404a(10) =488a(11) =580a(12) =680a(13) =788a(14) =904a(15) =1028a(16) =1160a(17) =1300a(18) =1448a(19) =1604a(20) =1768a(21) =1940a(22) =2120a(23) =2308a(24) =2504a(25) =2708a(26) =2920a(27) =3140a(28) =3368a(29) =3604

External references