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Search: id:A077026
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A077026 Sum{Floor(n/k + 1)-Floor(n/k + 1/2)}: k=1,2,...,n}. +0
1
1, 2, 2, 4, 3, 5, 5, 6, 6, 8, 6, 10, 9, 9, 9, 13, 11, 12, 12, 14, 14, 16, 12, 18, 17, 17, 17, 19, 17, 21, 21, 22, 20, 22, 20, 26, 26, 24, 22, 28, 25, 29, 27, 29, 29, 29, 29, 27, 33, 33, 32, 32, 36, 30, 34, 34, 38, 38, 38, 34, 40, 39, 39, 37, 43, 41, 45, 43, 41, 41, 45, 43, 50, 48 (list; graph; listen)
OFFSET

1,2

EXAMPLE

[4/1+1]-[4/1+1/2] + [4/2+1]-[4/2+1/2] + [4/3+1]-[4/3+1/2] + [4/4+1]-[4/4+1/2] = 1+1+1+1 = 4.

CROSSREFS

Sequence in context: A070803 A071693 A007728 this_sequence A060026 A094051 A058723

Adjacent sequences: A077023 A077024 A077025 this_sequence A077027 A077028 A077029

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu), Oct 18 2002

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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