Number of different squares created when a square sheet of paper is folded n times, the first time by one of the diagonal of the square and after by the median of the triangle.

A096531

Number of different squares created when a square sheet of paper is folded n times, the first time by one of the diagonal of the square and after by the median of the triangle.

Terms

    a(0) =0a(1) =0a(2) =4a(3) =9a(4) =34a(5) =71a(6) =245a(7) =543a(8) =1835a(9) =4223a(10) =14167a(11) =33279a(12) =111279a(13) =264191a(14) =882015a(15) =2105343a(16) =7023295a(17) =16809983a(18) =56055167a(19) =134348799a(20) =447916799a(21) =1074266111a(22) =3581236735a(23) =8592031743a(24) =28641504255a(25) =68727865343a(26) =229098477567

External references