Number of intersection points when every pair of vertices of a row of n adjacent congruent rectangles are joined by an infinite line.

A347750

Number of intersection points when every pair of vertices of a row of n adjacent congruent rectangles are joined by an infinite line.

Terms

    a(0) =0a(1) =5a(2) =17a(3) =57a(4) =133a(5) =297a(6) =525a(7) =925a(8) =1477a(9) =2289a(10) =3277a(11) =4701a(12) =6437a(13) =8805a(14) =11541a(15) =14917a(16) =18869a(17) =23893a(18) =29509a(19) =36473a(20) =44349a(21) =53545a(22) =63605a(23) =75629a(24) =88901a(25) =104325a(26) =120981a(27) =139913a(28) =160581a(29) =184409

External references