id:A086191 - OEIS Search Results

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Number of partitions of primes into mutual coprimes > 1.

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1, 1, 2, 3, 5, 6, 9, 11, 18, 30, 34, 56, 78, 87, 125, 182, 263, 279, 402, 520, 565, 773, 987, 1328, 1878, 2332, 2485, 3092, 3235, 3999, 6957, 8396, 10734, 11228, 16920, 17703, 22237, 27589, 32577, 40187, 49227, 51427, 73453, 76998, 89430, 93452 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`a(n) = A007359(A000040(n)).`
	EXAMPLE	`n=10: A000040(10) = 29 = 27+2 = 26+3 = 25+4 = 24+5 = 23+6 = 22+7` `= 21+8 = 20+9 = 19+10 = 19+7+3 = 19+5+3+2 = 18+11 = 17+12 = 17+7+5 =` `17+7+3+2 = 17+5+4+3 = 16+13 = 15+14 = 15+7+4+3 = 13+11+5 = 13+11+3+2 =` `13+9+7 = 13+9+5+2 = 13+7+5+4 = 11+9+7+2 = 11+9+5+4 = 11+8+7+3 = 11+7+6+5 =` `9+8+7+5: a(10)=30.`
	CROSSREFS	`Sequence in context: A131995 A060714 A032718 this_sequence A074658 A124866 A166247` `Adjacent sequences: A086188 A086189 A086190 this_sequence A086192 A086193 A086194`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 27 2003`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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