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A125688 Number of partitions of n into three distinct primes. +0
4
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 2, 1, 2, 2, 2, 2, 2, 2, 3, 3, 2, 3, 2, 4, 3, 4, 2, 5, 3, 5, 4, 6, 1, 6, 3, 6, 4, 6, 3, 9, 3, 8, 5, 8, 4, 11, 3, 11, 5, 10, 3, 13, 3, 13, 6, 12, 2, 14, 5, 15, 6, 13, 2, 18, 5, 17, 6, 14, 4, 21, 5, 19, 7, 17, 4, 25, 4, 20, 8, 21, 4, 26, 4, 25, 9, 22, 4 (list; graph; listen)
OFFSET

1,18

COMMENT

a(A124868(n)) = 0; a(A124867(n)) > 0;

a(A125689(n)) = n and a(m) <> n for m < A125689(n).

LINKS

R. Zumkeller, Table = of n, a(n) for n = 1..10000

EXAMPLE

a(42) = #{2+3+37, 2+11+29, 2+17+23} = 3.

CROSSREFS

Sequence in context: A138033 A067754 A025851 this_sequence A060508 A029404 A029417

Adjacent sequences: A125685 A125686 A125687 this_sequence A125689 A125690 A125691

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 30 2006

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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