OFFSET
1,2
FORMULA
a(n) = Sum_{m=1..n} A092083(n, m), n>=1.
G.f.: (-1 + (1-36*x)^(-1/6))/(7-(1-36*x)^(-1/6)).
MATHEMATICA
Rest[CoefficientList[Series[(-1+(1-36x)^(-1/6))/(7-(1-36x)^(-1/6)), {x, 0, 20}], x]] (* Harvey P. Dale, Jun 29 2011 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Mar 19 2004
STATUS
approved