The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A028006 Expansion of 1/((1-2x)(1-7x)(1-8x)(1-10x)). 0
 1, 27, 473, 6831, 88473, 1069551, 12338761, 137686527, 1499327225, 16029462735, 168979616169, 1762044328863, 18217806426457, 187092613978479, 1911192049791497, 19440694364069439, 197083660672701369, 1992576025702599183, 20101955387867645545 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Index entries for linear recurrences with constant coefficients, signature (27,-256,972,-1120). FORMULA a(n) = (5*10^(n+3)-20*8^(n+3)+16*7^(n+3)-2^(n+3))/240. - Yahia Kahloune, Jun 05 2013 MATHEMATICA CoefficientList[Series[1/((1-2x)(1-7x)(1-8x)(1-10x)), {x, 0, 20}], x] (* Harvey P. Dale, Mar 17 2019 *) CROSSREFS Sequence in context: A028118 A028068 A028077 * A028066 A026795 A028114 Adjacent sequences:  A028003 A028004 A028005 * A028007 A028008 A028009 KEYWORD nonn AUTHOR STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified November 28 13:41 EST 2021. Contains 349412 sequences. (Running on oeis4.)