%I #7 Nov 25 2012 23:46:23
%S 0,2,4,7,9,12,14,16,20,22,24,27,29,33,35,37,40,42,45,47,49,54,56,58,
%T 61,63,66,68,70,74,76,78,81,83,88,90,92,95,97,100,102,104,108,110,112,
%U 115,117,121,123,125,128,130,133,135,137,143,145,147,150,152,155
%N Numbers that occur twice in A219641.
%H A. Karttunen, <a href="/A219637/b219637.txt">Table of n, a(n) for n = 1..10000</a>
%o (Scheme with _Antti Karttunen_'s Intseqlibrary):
%o (define (Aux_for219637 n) (A219641 (A219636 n)))
%o (define A219637 (DISTINCTVALS 1 1 Aux_for219637))
%Y Cf. A219636, A219639, A219641.
%K nonn
%O 1,2
%A _Antti Karttunen_, Nov 24 2012
