Number of regions into which a figure made up of a row of n adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles (a(0)=0 by convention).

A306302

Number of regions into which a figure made up of a row of n adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles (a(0)=0 by convention).

Terms

    a(0) =0a(1) =4a(2) =16a(3) =46a(4) =104a(5) =214a(6) =380a(7) =648a(8) =1028a(9) =1562a(10) =2256a(11) =3208a(12) =4384a(13) =5924a(14) =7792a(15) =10052a(16) =12744a(17) =16060a(18) =19880a(19) =24486a(20) =29748a(21) =35798a(22) =42648a(23) =50648a(24) =59544a(25) =69700a(26) =80992a(27) =93654a(28) =107596a(29) =123374

External references