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A082370 a(n) = number of sets of consecutive primes whose arithmetic mean is A000040(n). 2
1, 1, 2, 1, 1, 1, 2, 1, 2, 2, 2, 2, 1, 2, 2, 4, 1, 1, 1, 2, 1, 2, 1, 3, 2, 3, 1, 2, 1, 3, 3, 1, 2, 4, 3, 3, 5, 1, 1, 6, 2, 3, 1, 2, 1, 2, 3, 2, 3, 2, 1, 1, 2, 2, 2, 4, 2, 1, 2, 4, 3, 3, 3, 2, 2, 1, 2, 1, 4, 3, 5, 2, 1, 2, 1, 3, 1, 3, 1, 3, 3, 2, 3, 2, 3, 1, 1, 2, 1, 5, 2, 1, 2, 3, 1, 2, 1, 3, 3, 2, 1, 1, 5, 2, 2 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

FORMULA

a(n) = A122821(A000040(n)).

EXAMPLE

For n=3; A000040(3) = 5. the two sets are 5/1 = 5, (3+5+7)/3 = 5. so a(3)=2.

CROSSREFS

Cf. A050221, A060863, A082431, A122821.

Sequence in context: A025899 A025869 A093320 * A005136 A138474 A058761

Adjacent sequences:  A082367 A082368 A082369 * A082371 A082372 A082373

KEYWORD

easy,nonn

AUTHOR

Naohiro Nomoto (n_nomoto(AT)yabumi.com), May 11 2003

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 03 2006

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Last modified February 16 04:47 EST 2012. Contains 205860 sequences.