id:A126788 - OEIS Search Results

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Least prime q such that q*p(n)# -1 and q*p(n)# +1 are twin primes where p(i)#=i-th primorial.

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2, 2, 2, 2, 5, 11, 17, 11, 11, 37, 51, 23, 127, 53, 37, 1427, 23, 11, 491, 11, 1429, 139, 83, 547, 233, 881, 149, 47, 313, 2, 463, 857, 1367, 2269, 2221, 8171, 317, 619, 3727, 227, 173, 2251, 1091, 13, 439, 277, 1597, 433, 173, 1303, 2927, 1367, 6679, 4903, 1979 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Milan Janjic, Enumerative Formulas for Some Functions on Finite Sets`
	EXAMPLE	`2(2357) -1 = 419` `2(2357) +1 = 421` `419 and 421 twin primes, 235*7 = p(4)# so q(4)=2`
	CROSSREFS	`Sequence in context: A118486 A141299 A035681 this_sequence A098789 A162489 A079894` `Adjacent sequences: A126785 A126786 A126787 this_sequence A126789 A126790 A126791`
	KEYWORD	`nonn`
	AUTHOR	`Pierre CAMI (pierrecami(AT)tele2.fr), Feb 19 2007`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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