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%I A205136 #5 Mar 30 2012 18:58:10
%S A205136 4,11,7,21,17,10,34,30,23,13,50,46,39,29,16,69,65,58,48,35,19,91,87,
%T A205136 80,70,57,41,22,116,112,105,95,82,66,47,25,144,140,133,123,110,94,75,
%U A205136 53,28,175,171,164,154,141,125,106,84,59,31,209,205,198,188,175
%N A205136 Ordered differences of distinct pentagonal numbers.
%C A205136 For a guide to related sequences, see A204892.
%e A205136 a(1)=s(2)-s(1)=5-1=4
%e A205136 a(2)=s(3)-s(1)=12-1=11
%e A205136 a(3)=s(3)-s(2)=12-5=7
%e A205136 a(4)=s(4)-s(1)=22-1=21
%e A205136 a(5)=s(4)-s(2)=22-5=17
%t A205136 (See the program at A205138.)
%Y A205136 Cf. A205138, A204892.
%K A205136 nonn
%O A205136 1,1
%A A205136 _Clark Kimberling_, Jan 25 2012

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