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 A014940 a(1)=1, a(n)=n*22^(n-1)+a(n-1). 3
 1, 45, 1497, 44089, 1215369, 32137161, 825796489, 20780659593, 514663521417, 12587355699337, 304746506405001, 7316566123340937, 174431600326980745, 4133772410690139273, 97461091512107447433, 2287542179758700278921 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..200 Index entries for linear recurrences with constant coefficients, signature (45, -528, 484). FORMULA G.f.: x/((1-x) (-1+22 x)^2). - Harvey P. Dale, Apr 21 2011 MATHEMATICA Table[(1+22^n (21n-1))/441, {n, 20}] (* or *) CoefficientList[ Series[1/((1-x) (-1+22 x)^2), {x, 0, 20}], x] (* Harvey P. Dale, Apr 21 2011 *) CROSSREFS Sequence in context: A107399 A053112 A240686 * A273436 A049397 A215859 Adjacent sequences: A014937 A014938 A014939 * A014941 A014942 A014943 KEYWORD nonn,easy AUTHOR Olivier Gérard STATUS approved

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Last modified May 18 02:38 EDT 2024. Contains 372617 sequences. (Running on oeis4.)