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A017594 (12n+6)^2. 0
36, 324, 900, 1764, 2916, 4356, 6084, 8100, 10404, 12996, 15876, 19044, 22500, 26244, 30276, 34596, 39204, 44100, 49284, 54756, 60516, 66564, 72900, 79524, 86436, 93636, 101124, 108900, 116964 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

LINKS

Index to sequences with linear recurrences with constant coefficients, signature (3,-3,1)

FORMULA

a(n) = a(n-1) +288*n, n>=1. - Vincenzo Librandi, Mar 19 2011

G.f. ( -36-216*x-36*x^2 ) / (x-1)^3 . - R. J. Mathar, Mar 20 2011

CROSSREFS

Sequence in context: A092643 A045786 A171586 * A014800 A067473 A068075

Adjacent sequences:  A017591 A017592 A017593 * A017595 A017596 A017597

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 16:41 EST 2012. Contains 205938 sequences.