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 A016320 Expansion of 1/((1-2x)(1-8x)(1-12x)). 1
 1, 22, 348, 4856, 63728, 808416, 10050496, 123402112, 1503194880, 18217295360, 220039199744, 2651923642368, 31914709676032, 383709523861504, 4610378348347392, 55371452676276224, 664832732084240384 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..900 Index entries for linear recurrences with constant coefficients, signature (22,-136,192). FORMULA From Vincenzo Librandi, Oct 09 2011: (Start) a(n) = (54*12^n + 2^n - 40*8^n)/15. a(n) = 20*a(n-1) - 96*a(n-2) + 2^n. a(n) = 22*a(n-1) - 136*a(n-2) + 192*a(n-3), n >= 3. (End) PROG (MAGMA) [(54*12^n + 2^n -40*8^n)/15 : n in [0..20]]; // Vincenzo Librandi, Oct 09 2011 (PARI) Vec(1/((1-2*x)*(1-8*x)*(1-12*x))+O(x^99)) \\ Charles R Greathouse IV, Sep 26 2012 CROSSREFS Sequence in context: A277834 A016322 A096047 * A103722 A100904 A036738 Adjacent sequences:  A016317 A016318 A016319 * A016321 A016322 A016323 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified June 7 05:20 EDT 2020. Contains 334837 sequences. (Running on oeis4.)