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%I #2 Mar 30 2012 18:51:04
%S 1,1,2,2,4,5,7,9,13,16,19,27,33,40,54,63,75,99,116,140,175,198,244,
%T 293,349,401,491,563,666,790,912,1046,1266,1419,1667,1929,2221,2528,
%U 2979,3345,3868,4422,5057,5709,6638,7395,8480,9626,10925,12237,14052,15622
%N Number of partitions of n with distinct occurrences of parts.
%e a(4) = #{4, 2+2, 2+1+1, 1+1+1+1} = 4;
%e a(5) = #{5, 3+1+1, 2+2+1, 2+1+1+1, 1+1+1+1+1} = 5;
%e a(6) = #{6, 4+1+1, 3+3, 3+1+1+1, 2+2+2, 2+4x1, 6x1} = 7.
%K nonn
%O 0,3
%A _Reinhard Zumkeller_, Oct 09 2009
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