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

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A028162 Expansion of 1/((1-4x)(1-9x)(1-10x)(1-12x)). 1
 1, 35, 783, 14287, 231959, 3494127, 49989031, 689059679, 9238060887, 121247325199, 1565149220999, 19940086389951, 251372353802935, 3141956721674351, 38999543432154087, 481325752085244703 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Harvey P. Dale, Table of n, a(n) for n = 0..925 Index entries for linear recurrences with constant coefficients, signature (35,-442,2352,-4320). FORMULA a(n) = 22*a(n-1) - 120*a(n-2) + (9^(n+1) - 4^(n+1))/5), n >= 2. - Vincenzo Librandi, Mar 16 2011 a(n) = 3*12^(n+1) - 25*10^(n+1)/3 + 3*9^(n+2)/5 - 2^(2*n+2)/15. - R. J. Mathar, Mar 18 2011 MATHEMATICA LinearRecurrence[{35, -442, 2352, -4320}, {1, 35, 783, 14287}, 20] (* Harvey P. Dale, Nov 22 2014 *) CROSSREFS Sequence in context: A028194 A004348 A028189 * A028160 A028107 A066553 Adjacent sequences: A028159 A028160 A028161 * A028163 A028164 A028165 KEYWORD nonn AUTHOR N. J. A. Sloane 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 December 5 01:00 EST 2023. Contains 367565 sequences. (Running on oeis4.)