OFFSET
0,3
LINKS
Ray Chandler, Table of n, a(n) for n = 0..782
Index entries for linear recurrences with constant coefficients, signature (0, 362, 0, -361).
MATHEMATICA
a[n_] :=(19^n - 1)/(9*2^(3 - 2*Mod[n, 2]));
Table[a[n], {n, 0, 30}]
CROSSREFS
KEYWORD
nonn,changed
AUTHOR
Roger L. Bagula, Dec 04 2008
STATUS
approved