The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A028105 Expansion of 1/((1-3x)(1-9x)(1-10x)(1-11x)). 1
 1, 33, 700, 12150, 187951, 2698923, 36799570, 483082800, 6161352901, 76830423813, 940920228040, 11355049670250, 135378462029851, 1597705036844703, 18694490136746110, 217145575509718500 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..200 FORMULA a(n) = (21*11^(n+3)-48*10^(n+3)+28*9^(n+3)-3^(n+3))/336. [Yahia Kahloune, Jun 11 2013] MATHEMATICA CoefficientList[Series[1 / ((1 - 3 x) (1 - 9 x) (1 - 10 x) (1 - 11 x)), {x, 0, 20}], x] (* Vincenzo Librandi, Jul 11 2013 *) CROSSREFS Sequence in context: A028157 A028178 A028153 * A028103 A028144 A028098 Adjacent sequences: A028102 A028103 A028104 * A028106 A028107 A028108 KEYWORD nonn,easy 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified March 23 03:11 EDT 2023. Contains 361434 sequences. (Running on oeis4.)