id:A087445 - OEIS Search Results

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Numbers that are congruent to {1, 5} mod 12.

+0
3

1, 5, 13, 17, 25, 29, 37, 41, 49, 53, 61, 65, 73, 77, 85, 89, 97, 101, 109, 113, 121, 125, 133, 137, 145, 149, 157, 161, 169, 173, 181, 185, 193, 197, 205, 209, 217, 221, 229, 233, 241, 245, 253, 257, 265, 269, 277, 281, 289, 293, 301, 305, 313, 317, 325, 329 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`G.f.: (1+4x+7x^2)/((1+x)(1-x)^2); E.g.f.: 6xexp(x)+exp(-x); a(n)=6n+(-1)^n.` `a(n)=6*(n-1)-(-1)^n [From Rolf Pleisch (r_pleisch(AT)gmx.ch), Aug 04 2009]`
	CROSSREFS	`Cf. A001651, A047241, A087444, A087446.` `Sequence in context: A105596 A037046 A126887 this_sequence A020882 A081804 A004613` `Adjacent sequences: A087442 A087443 A087444 this_sequence A087446 A087447 A087448`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Sep 04 2003`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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