OFFSET
0,2
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 0..1000
PROG
(Haskell)
a247414 n = a247414_list !! n
a247414_list = zipWith (-) (tail a024431_list) a024431_list
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Sep 16 2014
STATUS
approved