0,1
Number of 11-subsequences of [ 1, n ] with just 1 contiguous pair; g.f. (9+x)/(1-x)^11
Sequence in context: A088780 A132544 A017018 this_sequence A065736 A092936 A056002
Adjacent sequences: A027766 A027767 A027768 this_sequence A027770 A027771 A027772
nonn
thi ngoc dinh (via rkg(AT)cpsc.ucalgary.ca)
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