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 A028219 Expansion of 1/((1-6x)(1-10x)(1-11x)(1-12x)). 0
 1, 39, 961, 19131, 336217, 5446035, 83308177, 1221791547, 17352006793, 240304555491, 3261449180353, 43542585627723, 573464912457529, 7467052092622707, 96294712139682289, 1231626797709018459 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Index entries for linear recurrences with constant coefficients, signature (39,-560,3492,-7920). FORMULA a(n) = 23*a(n-1) - 132*a(n-2) + 2^(n-1)*(5^(n+1) - 3^(n+1)), n >= 2. - Vincenzo Librandi, Mar 13 2011 a(n) = -11^(n+3)/5 + 12^(n+2) + 125*10^n - 9*6^n/5. - R. J. Mathar, Mar 15 2011 CROSSREFS Sequence in context: A194477 A016091 A028227 * A209076 A251327 A014936 Adjacent sequences:  A028216 A028217 A028218 * A028220 A028221 A028222 KEYWORD nonn AUTHOR STATUS approved

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Last modified April 21 22:12 EDT 2019. Contains 322328 sequences. (Running on oeis4.)