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 A020606 Expansion of 1/((1-6x)(1-9x)(1-11x)). 0
 1, 26, 457, 6782, 91693, 1170218, 14373409, 171896534, 2016642805, 23325176930, 266916367081, 3029497622606, 34167408893437, 383440973924762, 4286324362209073, 47766301010614598, 530982729463501189 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS FORMULA a(0)=1, a(1)=26, a(2)=457, a(n)=26*a(n-1)-219*a(n-2)+594*a(n-3) [From Harvey P. Dale, Oct 26 2011] MATHEMATICA CoefficientList[Series[1/((1-6x)(1-9x)(1-11x)), {x, 0, 20}], x] (* or *) LinearRecurrence[{26, -219, 594}, {1, 26, 457}, 20] (* From Harvey P. Dale, Oct 26 2011 *) CROSSREFS Sequence in context: A020968 A025955 A022725 * A021984 A025954 A158436 Adjacent sequences:  A020603 A020604 A020605 * A020607 A020608 A020609 KEYWORD nonn AUTHOR STATUS approved

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