OFFSET
1,8
COMMENTS
a(n) = A066032(n,n-1) for n > 1; also number of ways to write n as a product with all factors <= n/2. - Reinhard Zumkeller, Oct 01 2012
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
EXAMPLE
12 can be expressed as 2*6, 3*4 or 2*2*3, so a(12)=3.
PROG
(Haskell)
a028422 1 = 0
a028422 n = (map (last . init) a066032_tabl) !! (n-1)
-- Reinhard Zumkeller, Oct 01 2012
CROSSREFS
KEYWORD
nonn
AUTHOR
Glen Burch (gburch(AT)erols.com)
STATUS
approved