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 A097441 Least k such that k*P(n)#/2 - 4 and k*P(n)#/2 + 2 are consecutive primes P(i)= i-th prime, P(i)# = i-th primorial. 0
 27, 9, 9, 9, 7, 27, 7, 9, 19, 9, 21, 1, 267, 47, 1, 69, 307, 19, 585, 37, 147, 313, 159, 251, 99, 73, 355, 197, 225, 545, 99, 5, 481, 2359, 337, 285, 95, 993, 903, 279, 779, 123, 519, 1201, 1717, 1551, 261, 123, 1649, 1571, 87, 1325, 537, 201, 2131, 1403, 205, 863 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE 27*2/2 = 27, 23 and 29 consecutive primes so for n=1 k=27 9*2*3/2 = 27 so for n=2 k=9 CROSSREFS Sequence in context: A040710 A040708 A214103 * A040707 A040706 A069893 Adjacent sequences:  A097438 A097439 A097440 * A097442 A097443 A097444 KEYWORD nonn AUTHOR Pierre CAMI, Aug 22 2004 STATUS approved

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