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A205376 Ordered differences of distinct odd squares, stored in triangle. 2
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 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

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

LINKS

Table of n, a(n) for n=1..54.

EXAMPLE

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

MATHEMATICA

(See the program at A205378.)

CROSSREFS

Cf. A205378, A204892.

Sequence in context: A233470 A172390 A250035 * A088448 A005878 A128637

Adjacent sequences:  A205373 A205374 A205375 * A205377 A205378 A205379

KEYWORD

nonn,tabl

AUTHOR

Clark Kimberling, Jan 26 2012

STATUS

approved

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Last modified August 28 03:16 EDT 2015. Contains 261112 sequences.