Number of different rectangles created when a square sheet of paper is folded n times, the first time by one of the diagonals of the square and after by the median of the triangle.
A097405
Number of different rectangles created when a square sheet of paper is folded n times, the first time by one of the diagonals of the square and after by the median of the triangle.
Terms
- a(0) =0a(1) =0a(2) =8a(3) =17a(4) =108a(5) =265a(6) =1461a(7) =4011a(8) =21211a(9) =62135a(10) =322423a(11) =977647a(12) =5025263a(13) =15510495a(14) =79345631a(15) =247115711a(16) =1261100991a(17) =3945447295a(18) =20110344063a(19) =63059984127a(20) =321227980543
External references
- oeis: A097405