# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/

Search: id:a007930
Showing 1-1 of 1

%I A007930 #17 Feb 19 2018 17:45:32
%S A007930 20,21,22,23,24,25,26,27,28,29,40,41,42,43,44,45,46,47,48,49,60,61,62,
%T A007930 63,64,65,66,67,68,69,80,81,82,83,84,85,86,87,88,89,100,101,102,103,
%U A007930 104,105,106,107,108,109,110,112,114,116,118,120,121,122,123,124,125,126,127,128,129,130
%N A007930 Some nontrivial permutation of digits gives an even number.
%C A007930 Also: Even numbers with more than 2 digits (so you can swap any two digits other than the last one), or numbers having at least one even digit not in the last position (so you can swap that one with the last digit). - _M. F. Hasler_, Sep 30 2012
%H A007930 F. Smarandache, <a href="http://www.gallup.unm.edu/~smarandache/OPNS.pdf">Only Problems, Not Solutions!</a>
%F A007930 a(n) ~ n. - _Charles R Greathouse IV_, Sep 19 2012
%e A007930 22 is a term since the permutation that swaps the first and second digits gives an even number. - _N. J. A. Sloane_, Sep 30 2012
%o A007930 (PARI) is_A007930(n)={!bittest(n, 0) & n>99 || while(n\=10, bittest(n, 0) || return(1))} \\ - _M. F. Hasler_, Sep 30 2012
%Y A007930 Cf. A007959.
%K A007930 nonn,base
%O A007930 1,1
%A A007930 R. Muller
%E A007930 Missing terms 112, 114, 116, 118 added by _Sean A. Irvine_, Feb 19 2018

# Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE