Number of trivially compound perfect squared rectangles of order n up to symmetries of the rectangle and its subrectangles.
A217374
Number of trivially compound perfect squared rectangles of order n up to symmetries of the rectangle and its subrectangles.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =4a(10) =16a(11) =60a(12) =194a(13) =622a(14) =2128a(15) =7438a(16) =25852a(17) =90266a(18) =317350a(19) =1127800
External references
- oeis: A217374