id:A097440 - OEIS Search Results

Search: id:A097440

Displaying 1-1 of 1 results found.

page 1

Least k such that k*P(n)#/2 - 2 and k*P(n)#/2 + 4 are consecutive primes P(i)= i-th prime, P(i)# = i-th primorial.

+0
1

25, 11, 5, 7, 27, 17, 1, 53, 105, 175, 39, 15, 15, 25, 149, 35, 117, 119, 317, 65, 123, 43, 187, 173, 119, 1397, 439, 313, 17, 429, 403, 675, 395, 1491, 135, 1427, 801, 87, 169, 481, 753, 319, 133, 73, 133, 89, 275, 1155, 1665, 157, 217, 3121, 279, 2485, 305 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`252/2 = 25, 23 and 29 consecutive primes so for n=1 k=25` `112*3/2 = 33, 31 and 37 consecutive primes so for n=2 k=11`
	CROSSREFS	`Sequence in context: A065910 A096521 A040604 this_sequence A040603 A033345 A093539` `Adjacent sequences: A097437 A097438 A097439 this_sequence A097441 A097442 A097443`
	KEYWORD	`nonn`
	AUTHOR	`Pierre CAMI (pierrecami(AT)tele2.fr), Aug 22 2004`

page 1

Search completed in 0.002 seconds

Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

AT&T Labs Research