OFFSET
0,2
LINKS
FORMULA
a(0) = 1, a(n) = 17*25^(n-1) for n>0.
a(n) = Sum_0<=k<=n {A193722(n,k)*8^k}.
MATHEMATICA
CoefficientList[Series[(1-8x)/(1-25x), {x, 0, 30}], x] (* Harvey P. Dale, Apr 29 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Philippe Deléham, Oct 05 2011
STATUS
approved