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 A153237 a(n) = A000079(n) - A153130(n). 2
 0, 0, 0, 0, 9, 27, 63, 126, 252, 504, 1017, 2043, 4095, 8190, 16380, 32760, 65529, 131067, 262143, 524286, 1048572, 2097144, 4194297, 8388603, 16777215, 33554430, 67108860, 134217720, 268435449, 536870907, 1073741823, 2147483646 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,5 LINKS Index entries for linear recurrences with constant coefficients, signature (3,-2,-1,3,-2). FORMULA a(n) = 9 *A153234(n). G.f. 9*x^4 / ( (x-1)*(2*x-1)*(1+x)*(x^2-x+1) ). - R. J. Mathar, Dec 17 2012 CROSSREFS Sequence in context: A112524 A254622 A271990 * A256327 A011923 A029875 Adjacent sequences:  A153234 A153235 A153236 * A153238 A153239 A153240 KEYWORD nonn,easy AUTHOR Paul Curtz, Dec 21 2008 EXTENSIONS Definition corrected by Omar E. Pol, Dec 24 2008 Edited by N. J. A. Sloane, Dec 31 2008 STATUS approved

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Last modified September 21 13:20 EDT 2020. Contains 337272 sequences. (Running on oeis4.)