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A059708 Numbers n such that all digits have same parity. 8

%I #22 Feb 13 2017 00:25:32

%S 0,1,2,3,4,5,6,7,8,9,11,13,15,17,19,20,22,24,26,28,31,33,35,37,39,40,

%T 42,44,46,48,51,53,55,57,59,60,62,64,66,68,71,73,75,77,79,80,82,84,86,

%U 88,91,93,95,97,99,111,113,115,117,119,131,133,135,137,139

%N Numbers n such that all digits have same parity.

%C A059717(a(n)) = a(n). - _Reinhard Zumkeller_, Jul 05 2011

%C A059707(a(n)) = a(n). - _Reinhard Zumkeller_, Jun 15 2012

%H Reinhard Zumkeller, <a href="/A059708/b059708.txt">Table of n, a(n) for n = 1..10000</a>

%H <a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a>.

%t Select[Range[0, 140], (cnt = Count[id = IntegerDigits[#], _?OddQ]; cnt == 0 || cnt == Length[id]) & ] (* _Jean-François Alcover_, May 16 2013 *)

%o (Haskell)

%o a059708 n = a059708_list !! (n-1)

%o a059708_list = filter sameParity [0..] where

%o sameParity n = all (`elem` "02468") ns

%o || all (`elem` "13579") ns where ns = show n

%o -- _Reinhard Zumkeller_, Jul 05 2011

%Y Union of A014261 and A014263.

%Y Cf. A059707, A061383.

%K nonn,base,easy,look

%O 1,3

%A _N. J. A. Sloane_, Feb 07 2001

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Last modified April 16 01:01 EDT 2024. Contains 371696 sequences. (Running on oeis4.)