id:A036690 - OEIS Search Results

Search: id:A036690

Displaying 1-1 of 1 results found.

page 1

Product of a prime and following number.

+0
3

6, 12, 30, 56, 132, 182, 306, 380, 552, 870, 992, 1406, 1722, 1892, 2256, 2862, 3540, 3782, 4556, 5112, 5402, 6320, 6972, 8010, 9506, 10302, 10712, 11556, 11990, 12882, 16256, 17292, 18906, 19460, 22350, 22952, 24806, 26732, 28056, 30102, 32220, 32942, 36672, 37442, 39006, 398000 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n)=2*A034953(n) - Artur Jasinski (grafix(AT)csl.pl), Feb 06 2007`
	FORMULA	`a(n) = p(n)*[ p(n)+1 ] with p(n) the n-th prime`
	EXAMPLE	`a(3)=30 because p(3)=5 and p(3)+1=6`
	MATHEMATICA	`Table[(Prime[n] + 1) Prime[n], {n, 1, 100}] - Artur Jasinski (grafix(AT)csl.pl), Feb 06 2007`
	CROSSREFS	`Equals A060800 - 1.` `Cf. A036689, A034953.` `Sequence in context: A071342 A125056 A011987 this_sequence A014131 A122211 A015801` `Adjacent sequences: A036687 A036688 A036689 this_sequence A036691 A036692 A036693`
	KEYWORD	`nonn`
	AUTHOR	`Felice Russo (felice.russo(AT)katamail.com)`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research