OFFSET
1,3
EXAMPLE
a(8) = a(4) + a(5) + a(6) + a(7) = 42; four summands since tau(8) = 4.
MAPLE
with(numtheory): a[1]:=1: a[2]:=1: for n from 3 to 42 do a[n]:=add(a[j], j=n-tau(n)..n-1) od: seq(a[n], n=1..42); # Emeric Deutsch, Mar 27 2005
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Sep 13 2003
EXTENSIONS
More terms from Emeric Deutsch, Mar 27 2005
STATUS
approved