id:A005127 - OEIS Search Results

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Number of k for which n does not divide Stirling cycle numbers [ {n \atop k} ].

+0
2

1, 0, 2, 2, 4, 2, 5, 2, 6, 4, 5, 2, 9, 2, 9, 7, 8, 2, 9, 2, 12, 7, 9, 2, 13, 6, 9, 10, 18, 2, 19, 2, 12, 8, 5, 10, 16, 2, 9, 10, 18, 2, 20, 2, 22, 17, 17, 2, 19, 8, 15, 19, 23, 2, 27, 9, 25, 7, 17, 2, 37, 2, 33, 16, 20, 14, 20, 2, 12, 19, 26, 2, 28, 2, 9, 25, 22, 16, 37, 2, 26, 28, 9, 2 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`a(n) = SUM(A057427(A145201(k)): 1<=k<=n) for n>0. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 04 2009]`
	MATHEMATICA	`Prepend[ Array[ Length[ Select[ Table[ StirlingS1[ #, k ]/#, {k, 0, #} ],`
	CROSSREFS	`Sequence in context: A083779 A045865 A054134 this_sequence A140773 A133911 A069932` `Adjacent sequences: A005124 A005125 A005126 this_sequence A005128 A005129 A005130`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.

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