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A066778
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a(n) = Sum_{i=1..n} floor((3/2)^i).
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1
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1, 3, 6, 11, 18, 29, 46, 71, 109, 166, 252, 381, 575, 866, 1303, 1959, 2944, 4421, 6637, 9962, 14949, 22430, 33652, 50486, 75737, 113613, 170428, 255650, 383484, 575235, 862861, 1294300, 1941459, 2912198, 4368307, 6552471, 9828717, 14743086
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OFFSET
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1,2
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LINKS
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Harry J. Smith, Table of n, a(n) for n = 1..300
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PROG
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(PARI) { s=0; for (n=1, 300, write("b066778.txt", n, " ", s+=floor((3/2)^n)) ) } \\ Harry J. Smith, Mar 24 2010
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CROSSREFS
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Cf. A002379.
Sequence in context: A026905 A286272 A212147 * A265075 A147079 A281572
Adjacent sequences: A066775 A066776 A066777 * A066779 A066780 A066781
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KEYWORD
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nonn
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AUTHOR
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Benoit Cloitre, Jan 18 2002
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EXTENSIONS
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Definition corrected by Harry J. Smith, Mar 24 2010
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STATUS
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approved
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