A205376 Ordered differences of distinct odd squares, stored in triangle.

8, 24, 16, 48, 40, 24, 80, 72, 56, 32, 120, 112, 96, 72, 40, 168, 160, 144, 120, 88, 48, 224, 216, 200, 176, 144, 104, 56, 288, 280, 264, 240, 208, 168, 120, 64, 360, 352, 336, 312, 280, 240, 192, 136, 72, 440, 432, 416, 392, 360, 320, 272, 216, 152

Offset: 1

Author

Clark Kimberling, Jan 26 2012

Keywords

• nonn
• tabl

Comments

a(n) = 8*A049777(n). For a guide to related sequences, see A204892.

Triangle T(n,k), k>=0, n>=1, read by rows, given by T(n,k) = (2*n+1)^2 - (2*k+1)^2. - Philippe Deléham, Mar 07 2013

Examples

			a(1) = s(2)-s(1) =  9-1 = 8,
a(2) = s(3)-s(1) = 25-1 = 24,
a(3) = s(3)-s(2) = 25-9 = 16,
a(4) = s(4)-s(1) = 49-1 = 48,
a(5) = s(4)-s(2) = 49-9 = 40.
Triangle begins:
8
24,  16
48,  40,  24
80,  72,  56,  32
120, 112, 96,  72,  40
168, 160, 144, 120, 88, 48, ... - _Philippe Deléham_, Mar 07 2013
		

Crossrefs

Cf. A205378, A204892.

Programs

Mathematica

(See the program at A205378.)