id:A073766 - OEIS Search Results

Search: id:A073766

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a(n)=Binomial[composite[n+1], composite[n]]= Binomial[A002808(n+1), A002808(n)].

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15, 28, 9, 10, 66, 91, 15, 16, 153, 190, 21, 22, 276, 25, 26, 27, 28, 435, 496, 33, 34, 35, 36, 703, 39, 40, 861, 946, 45, 46, 1128, 49, 50, 51, 52, 1431, 55, 56, 57, 58, 1770, 1891, 63, 64, 65, 66, 2278, 69, 70, 2556, 2701, 75, 76, 77, 78, 3160, 81, 82, 3486, 85 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(n) equals either composite[n+1] or composite[w]+1 or or C[c,2] for some composite number.`
	CROSSREFS	`Cf. A002808.` `Sequence in context: A110978 A087719 A116070 this_sequence A031334 A099808 A134621` `Adjacent sequences: A073763 A073764 A073765 this_sequence A073767 A073768 A073769`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Aug 09 2002`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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