OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,10,0,-9).
FORMULA
8*a(n) = (-1)^(n+1) * (13+3^(n+2)) + 11*(3^(n+1) -1). - R. J. Mathar, Nov 07 2011
a(2n+1) = 2*A187709(n+1). - R. J. Mathar, Nov 07 2011
MATHEMATICA
LinearRecurrence[{0, 10, 0, -9}, {0, 16, 24, 142}, 30] (* Harvey P. Dale, Dec 06 2023 *)
CROSSREFS
KEYWORD
nonn,easy,less
AUTHOR
Roger L. Bagula and Gary W. Adamson, Jul 04 2006
STATUS
approved