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A128515 Partitions of n into primes that are not factors of n. 5
0, 0, 0, 0, 1, 0, 2, 1, 2, 1, 5, 1, 8, 2, 3, 4, 16, 2, 22, 4, 7, 7, 39, 4, 26, 11, 21, 10, 86, 3, 110, 26, 30, 28, 40, 11, 218, 41, 55, 23, 335, 8, 412, 55, 49, 91, 613, 29, 372, 51, 176, 115, 1082, 44, 295, 104, 297, 255, 1849, 22, 2197, 352, 250, 439, 688, 57, 3629, 437 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

COMMENTS

a(A000040(n)) = A000607(A000040(n)) - 1.

LINKS

Table of n, a(n) for n=1..68.

Eric Weisstein's World of Mathematics, Prime Partition.

EXAMPLE

a(9) = #{2+2+5, 2+7} = 2;

a(10) = #{3+7} = 1;

a(11) = #{2+2+2+2+3, 2+2+2+5, 2+2+7, 3+3+3+2, 3+3+5} = 5.

CROSSREFS

Sequence in context: A260612 A159829 A224763 * A119569 A318475 A066083

Adjacent sequences:  A128512 A128513 A128514 * A128516 A128517 A128518

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Mar 06 2007

STATUS

approved

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Last modified November 17 05:59 EST 2018. Contains 317275 sequences. (Running on oeis4.)