id:A096173 - OEIS Search Results

Search: id:A096173

Displaying 1-1 of 1 results found.

page 1

Numbers n such that n^3+1 is an odd semiprime.

+0
4

2, 4, 6, 16, 18, 22, 28, 42, 58, 60, 70, 72, 78, 100, 102, 106, 112, 148, 156, 162, 190, 210, 232, 280, 310, 330, 352, 358, 382, 396, 448, 456, 490, 568, 606, 672, 756, 786, 820, 826, 828, 856, 858, 876, 928, 970, 982, 1008, 1012, 1030, 1068, 1092, 1108, 1150 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1)=2 because 2^3+1=9=33, a(13)=100: 100^3+1=1000001=1019901.`
	CROSSREFS	`Cf. A081256 largest prime factor of n^3+1, A096174 (n^3+1)/(n+1) is prime, A046315.` `Sequence in context: A005179 A037019 A096174 this_sequence A114874 A100361 A069654` `Adjacent sequences: A096170 A096171 A096172 this_sequence A096174 A096175 A096176`
	KEYWORD	`nonn`
	AUTHOR	`Hugo Pfoertner (hugo(AT)pfoertner.org), Jun 20 2004`
	EXTENSIONS	`Corrected by Zak Seidov, Mar 08 2006`

page 1

Search completed in 0.002 seconds

Last modified December 16 13:01 EST 2009. Contains 170825 sequences.

AT&T Labs Research