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Alternate A001477 and tripled 2*A000027.
0

%I #2 Mar 30 2012 18:51:52

%S 0,2,2,2,1,4,4,4,2,6,6,6,3,8,8,8,4,10,10,10,5,12,12,12,6,14,14,14,7,

%T 16,16,16,8,18,18,18,9,20,20,20,10,22,22,22,11,24,24,24,12,26,26,26,

%U 13,28,28,28,14,30,30,30,15,32,32,32,16,34,34,34,17,36,36,36,18,38,38,38,19

%N Alternate A001477 and tripled 2*A000027.

%K nonn

%O 0,2

%A _Paul Curtz_, Sep 29 2007