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A116357 Number of partitions of n into products of two successive primes (A006094). +0
4
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 2, 0, 0, 1, 0, 1, 2, 0, 0, 1, 0, 1, 2, 0, 0, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 3, 0, 1, 2, 0, 2, 3, 0, 1, 2, 1, 2, 3, 0, 1, 3, 1, 3, 3, 0, 2, 3, 1, 3, 3, 1, 2, 3, 1, 3, 4, 1, 3, 3, 1, 4, 4, 1, 3, 3, 2, 4, 4, 1, 3, 5 (list; graph; listen)
OFFSET

1,30

COMMENT

a(A116358(n)) = 0; a(A116359(n)) > 0;

a(n) < A101048(n).

EXAMPLE

a(41) = #{2*3 + 5*7} = 1;

a(42) = #{2*3+2*3+2*3+2*3+2*3+2*3+2*3, 2*3+2*3+3*5+3*5} = 2.

CROSSREFS

Cf. A116360.

Sequence in context: A025463 A089224 A069859 this_sequence A035168 A119241 A001878

Adjacent sequences: A116354 A116355 A116356 this_sequence A116358 A116359 A116360

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 12 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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