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A175649 a(n) = sopf(n) + sopf(n+1). 3
2, 5, 5, 7, 10, 12, 9, 5, 10, 18, 16, 18, 22, 17, 10, 19, 22, 24, 26, 17, 23, 36, 28, 10, 20, 18, 12, 38, 39, 41, 33, 16, 33, 31, 17, 42, 58, 37, 23, 48, 53, 55, 56, 21, 33, 72, 52, 12, 14, 27, 35, 68, 58, 21, 25, 31, 53, 90, 69, 71, 94, 43, 12, 20, 34, 83, 86, 45, 40, 85, 76 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n)=A008472(n)+A008472(n+1).

LINKS

Table of n, a(n) for n=1..71.

CROSSREFS

A008472.

Sequence in context: A121359 A082087 A023850 * A142353 A161180 A101858

Adjacent sequences:  A175646 A175647 A175648 * A175650 A175651 A175652

KEYWORD

nonn

AUTHOR

Zak Seidov, Aug 02 2010

STATUS

approved

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Last modified May 20 15:19 EDT 2013. Contains 225463 sequences.