A159980 - OEIS

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A159980

Lodumo_2 of Catalan numbers .

%I #3 Sep 08 2013 13:31:39

%S 1,3,0,5,2,4,6,7,8,10,12,14,16,18,20,9,22,24,26,28,30,32,34,36,38,40,

%T 42,44,46,48,50,11,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,

%U 86,88,90,92,94,96,98,100,102,104,106,108,110,112,13,114,116,118,120,122

%N Lodumo_2 of Catalan numbers .

%C Permutation of nonnegative integers.

%F a(n)=lod_2(A000108(n)).

%Y Cf. A000108, A036987

%K easy,nonn

%O 0,2

%A _Philippe Deléham_, Apr 28 2009