Search: id:A139796
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%I A139796
%S A139796 1,1,2,5,9,28,48,165,275,1001,1638,6188
%N A139796 Last term of A139687(n) with a fourth leading 1 = 1, 1, 1, 1, 2, 2, 1, 
               3, 5, 5 rows.
%C A139796 Based on sequences identical to their p-th differences.
%F A139796 Odd rows are 1; 1, 2, 2; 1, 3, 6, 9, 9; 1, 4, 10, 20, 34, 48, 48; 1, 
               5, 15, 35, 70, 125, 200, 275, 275; 1, 6, 21, 56, 126, 252, 461, 780, 
               1209, 1638, 1638; with respective sums second bisection a(2n+1)= 
               1, 5, 28, 165, 1001, 6188 = A025174(n+1)?
%Y A139796 Cf. A094600.
%Y A139796 Sequence in context: A109742 A072979 A094600 this_sequence A086586 A105456 
               A128565
%Y A139796 Adjacent sequences: A139793 A139794 A139795 this_sequence A139797 A139798 
               A139799
%K A139796 nonn,uned
%O A139796 0,3
%A A139796 Paul Curtz (bpcrtz(AT)free.fr), Jun 14 2008

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