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11, 44, 176, 704, 2816, 11264, 45056, 180224, 720896, 2883584, 11534336, 46137344, 184549376, 738197504, 2952790016, 11811160064, 47244640256, 188978561024, 755914244096, 3023656976384, 12094627905536, 48378511622144, 193514046488576, 774056185954304
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,1
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COMMENTS
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LINKS
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FORMULA
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a(n) = 4*a(n-1); a(0)=11.
G.f.: 11/(1-4*x). (End)
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MAPLE
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MATHEMATICA
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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