id:A144947 - OEIS Search Results

Search: id:A144947

Displaying 1-1 of 1 results found.

page 1

Least a(n) such that p(n)#*(p(n)#+a(n))-1 and p(n)#*(p(n)#+a(n))+1 are twin primes with p(i)#=i-th primorial

+0
4

1, 1, 4, 13, 16, 1, 43, 37, 126, 12, 226, 149, 97, 115, 33, 51, 9, 428, 68, 29, 34, 47, 583, 15, 502, 410, 336, 283, 756, 1303, 33, 793, 343, 703, 1024, 1888, 728, 782, 226, 493, 1977, 3265, 567, 151, 1096, 203, 77, 3255, 381, 4963 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`Pierre CAMI, Table of n, a(n) for n = 1..200 [Corrected Oct 16 2008]`
	EXAMPLE	`2(2+1)-1=5 prime as 7 so a(1)=1 6(6+1)-1=41 prime as 43 so a(2)=1`
	CROSSREFS	`Cf. A144946` `Sequence in context: A089733 A126908 A106681 this_sequence A022416 A027757 A165336` `Adjacent sequences: A144944 A144945 A144946 this_sequence A144948 A144949 A144950`
	KEYWORD	`nonn`
	AUTHOR	`Pierre CAMI (pierrecami(AT)tele2.fr), Sep 26 2008`

page 1

Search completed in 0.002 seconds

Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

AT&T Labs Research