login

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 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A028050
Expansion of 1/((1-3x)(1-4x)(1-10x)(1-11x)).
0
1, 28, 515, 7910, 110241, 1448328, 18302575, 225096970, 2713995581, 32234230028, 378383333835, 4400300953230, 50784218810521, 582435753818128, 6644887820416295, 75474715560668690, 854031383578979061
OFFSET
0,2
FORMULA
a(n)=(3*11^(n+3)-4*10^(n+3)+4^(n+4)-3^(n+4))/168. [Yahia Kahloune, May 27 2013].
CROSSREFS
Sequence in context: A028000 A028067 A024771 * A026738 A026149 A028049
KEYWORD
nonn
AUTHOR
STATUS
approved