OFFSET
1,4
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..10000
Lorenz Halbeisen and Norbert Hungerbuehler, Number theoretic aspects of a combinatorial function, Notes on Number Theory and Discrete Mathematics 5(4) (1999), 138-150; see Definition 7 for the shadow transform.
N. J. A. Sloane, Transforms.
MAPLE
a:= n-> add(`if`(modp(binomial(j+6, 7), n)=0, 1, 0), j=0..n-1):
seq(a(n), n=1..120);
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Sep 23 2008
STATUS
approved