OFFSET
1,3
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..1000
PROG
(Haskell)
a247167 n = a247167_list !! (n-1)
a247167_list = filter ((zipWith (==) [0..] a247143_list) !!) [0..]
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 21 2014
STATUS
approved