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Search: id:A027814
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%I A027814
%S A027814 126,1512,9702,44352,162162,504504,1387386,3459456,7963956,17153136,
%T A027814 34918884,67721472,125919612,225629712,391270572,658982016,
%U A027814 1081142370,1732250520,2716483770,4177293120,6309453150
%N A027814 126*(n+1)*C(n+5,9)/5.
%F A027814 Number of 15-subsequences of [ 1, n ] with just 5 contiguous pairs; g.f. 
               126*(1+x)/(1-x)^11
%F A027814 C(n+5, 5)*C(n+9, 5). - Zerinvary Lajos (zlaja(AT)freemail.hu), Apr 18 
               2005
%Y A027814 Sequence in context: A154093 A002953 A027805 this_sequence A109146 A133499 
               A113857
%Y A027814 Adjacent sequences: A027811 A027812 A027813 this_sequence A027815 A027816 
               A027817
%K A027814 nonn
%O A027814 0,1
%A A027814 thi ngoc dinh (via rkg(AT)cpsc.ucalgary.ca)

    
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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