%I #8 Jul 29 2014 13:48:47
%S 2,4,6,10,8,14,22,12,26,34,20,38,18,16,46,58,28,30,62,44,74,82,24,86,
%T 50,52,94,42,68,106,118,40,66,122,76,134,142,36,70,146,32,158,78,92,
%U 166,110,116,102,178,56,194,202,60,206,214,124,218,114,88,130,98,148,54,226,164,254,170,48
%N Permutation of even numbers: a(n) = 2 * A064216(n).
%H Antti Karttunen, <a href="/A243502/b243502.txt">Table of n, a(n) for n = 1..10001</a>
%F a(n) = 2 * A064216(n) = A005843(A064216(n)).
%F a(n) = A243501(A245448(n)).
%o (Scheme) (define (A243502 n) (* 2 (A064216 n)))
%Y Cf. A005843, A064216, A243500, A243501, A245447, A245448.
%K nonn
%O 1,1
%A _Antti Karttunen_, Jul 21 2014