OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (26, -231, 806, -880).
FORMULA
a(n) = -4*2^n/81 +125*5^n/54 -256*8^n/27 +1331*11^n/162. R. J. Mathar, Jun 20 2013
a(0)=1, a(1)=26, a(2)=445, a(3)=6370, a(n)=26*a(n-1)-231*a(n-2)+ 806*a(n-3)- 880*a(n-4). - Harvey P. Dale, May 24 2014
MATHEMATICA
CoefficientList[Series[1/((1-2x)(1-5x)(1-8x)(1-11x)), {x, 0, 20}], x] (* or *) LinearRecurrence[{26, -231, 806, -880}, {1, 26, 445, 6370}, 20] (* Harvey P. Dale, May 24 2014 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved