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A060505
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Floor[2^n/(n^2)].
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4
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2, 1, 0, 1, 1, 1, 2, 4, 6, 10, 16, 28, 48, 83, 145, 256, 453, 809, 1452, 2621, 4755, 8665, 15857, 29127, 53687, 99273, 184112, 342392, 638372, 1193046, 2234634, 4194304, 7887910, 14861478, 28048766, 53024287, 100393684, 190358661, 361443664
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,200
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FORMULA
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a(n)=Floor[A000079(n)/A000290(n+1)]
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MATHEMATICA
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Table[Floor[2^w/(w^2)], {w, 1, 40}];
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PROG
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(PARI) { for (n=1, 200, write("b060505.txt", n, " ", floor(2^n/(n^2))); ) } [From Harry J. Smith, Jul 06 2009]
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CROSSREFS
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Sequence in context: A003137 A006842 A219967 * A211452 A035188 A066295
Adjacent sequences: A060502 A060503 A060504 * A060506 A060507 A060508
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KEYWORD
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easy,nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Apr 11 2001
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STATUS
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approved
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