Search: id:A009725
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%I A009725
%S A009725 0,1,2,2,8,16,96,272,2176,7936,79360,353792,4245504,22368256,
%T A009725 313155584,1903757312,30460116992,209865342976,3777576173568,
%U A009725 29088885112832,581777702256640,4951498053124096,108932957168730112
%N A009725 Expansion of tan(x).(1+x).
%t A009725 Tan[ x ]*(1+x)
%Y A009725 a(2n) = A009752(n), a(2n+1) = A000182(n+1).
%Y A009725 Sequence in context: A109190 A016120 A085542 this_sequence A053098 A067640 
               A098277
%Y A009725 Adjacent sequences: A009722 A009723 A009724 this_sequence A009726 A009727 
               A009728
%K A009725 nonn,easy
%O A009725 0,3
%A A009725 R. H. Hardin (rhhardin(AT)att.net)

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