A036992 Numbers not in A036990 nor A036991.

6, 9, 14, 17, 22, 25, 26, 28, 30, 33, 35, 37, 38, 41, 46, 49, 54, 57, 58, 60, 62, 65, 67, 69, 70, 73, 78, 81, 86, 89, 90, 92, 94, 97, 99, 101, 102, 105, 106, 108, 110, 113, 114, 116, 118, 120, 121, 122, 124, 126, 129, 131, 133, 134, 135, 137, 139, 141, 142, 145, 147

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• easy
• base

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A036988, A036990, A036991.

Programs

Haskell

a036992 n = a036992_list !! (n-1)
a036992_list = c a036990_list (tail a036991_list) [0..] where
   c us'@(u:us) vs'@(v:vs) (w:ws)
     | w == u    = c us vs' ws
     | w == v    = c us' vs ws
     | otherwise = w : c us' vs' ws
-- Reinhard Zumkeller, Jul 31 2013

Formula

a(n) ~ n. [Charles R Greathouse IV, Sep 21 2011]

Extensions

More terms from Erich Friedman.