OFFSET
0,3
COMMENTS
a(n) is the denominator of Sum_{k=0..n} A000045(n-k)/k!. - Robert Israel, Dec 26 2016
LINKS
Clark Kimberling, Table of n, a(n) for n = 0..1000
EXAMPLE
MAPLE
S:= series(exp(x)/(1-x-x^2), x, 101):
seq(denom(coeff(S, x, j)), j=0..100); # Robert Israel, Dec 26 2016
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy,frac
AUTHOR
Clark Kimberling, Dec 12 2016
STATUS
approved