Number of perfect squared rectangles of order n up to symmetries of the rectangle and of its subrectangles if any.
A110148
Number of perfect squared rectangles of order n up to symmetries of the rectangle and of its subrectangles if any.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =2a(9) =10a(10) =38a(11) =127a(12) =408a(13) =1375a(14) =4783a(15) =16645a(16) =58059a(17) =203808a(18) =722575
External references
- oeis: A110148