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Search: id:A080585
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A080585 Partial sums of A080584. +0
1
0, 0, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 4, 5, 6, 7, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37 (list; graph; listen)
OFFSET

0,5

FORMULA

Also: a(n) = 3*2^A000523(A002264(n+6)/2)*(1-3*A080584(n))+A080584(n)*(n+7)-3. - Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Feb 24 2003

CROSSREFS

Sequence in context: A072292 A093390 A025789 this_sequence A089361 A035441 A025784

Adjacent sequences: A080582 A080583 A080584 this_sequence A080586 A080587 A080588

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Feb 23 2003

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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