A221839 Number of rectangles dissectible into a minimum of n squares.

1, 1, 2, 4, 10, 22, 57, 157, 447

Offset: 1

Author

Geoffrey H. Morley, Jan 26 2013

Keywords

• nonn
• more

Examples

			For n = 4 the a(4) = 4 rectangles are 4X1, 4X3, 5X2 and 5X3.
		

Crossrefs

Cf. A210517.

Formula

a(n) is the number of rectangles pXq for which GCD(p,q) = 1 and T(p,q) = n in A219158.