Number of edges in a figure made up of a row of n adjacent congruent rectangles upon drawing diagonals of all possible rectangles.

A331757

Number of edges in a figure made up of a row of n adjacent congruent rectangles upon drawing diagonals of all possible rectangles.

Terms

    a(0) =8a(1) =28a(2) =80a(3) =178a(4) =372a(5) =654a(6) =1124a(7) =1782a(8) =2724a(9) =3914a(10) =5580a(11) =7626a(12) =10352a(13) =13590a(14) =17540a(15) =22210a(16) =28040a(17) =34670a(18) =42760a(19) =51962a(20) =62612a(21) =74494a(22) =88508a(23) =104042a(24) =121912a(25) =141534a(26) =163664a(27) =187942a(28) =215636a(29) =245490

External references