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Essentially same as A025148.
0

%I #1 Dec 11 1999 03:00:00

%S 0,1,0,0,1,1,1,1,2,2,3,3,4,5,6,7,9,10,12,15,17,20,24,28,32,38

%N Essentially same as A025148.

%K dead

%O 1,9