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A097570 Least k such that k*P(n)#/5 - 5 and k*P(n)#/5 + 5 are consecutive primes gap 10, P(n)=i-th prime P(n)#=i-th primorial. 0
360, 120, 24, 17, 2, 9, 4, 64, 3, 6, 1, 72, 102, 119, 66, 51, 34, 66, 89, 283, 52, 84, 59, 554, 81, 44, 328, 69, 26, 36, 101, 42, 898, 17, 121, 193, 69, 137, 346, 2, 868, 412, 101, 247, 417, 1732, 206, 2278, 109, 762, 87, 268, 511, 1213, 108, 41, 43, 946, 483, 706, 72 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..61.

EXAMPLE

360*2/5=144 139 and 149 consecutive primes gap 10, for n=1 k=360

120*2*3/5=144, for n=2 k=120

24*2*3*5/5=144, for n=2 k=24

17*2*3*5*7/5=714 709 and 719 consecutive primes gap 10, for n=4 k=17

CROSSREFS

Sequence in context: A179678 A101996 A237017 * A185641 A031966 A170830

Adjacent sequences:  A097567 A097568 A097569 * A097571 A097572 A097573

KEYWORD

nonn

AUTHOR

Pierre CAMI, Aug 28 2004

STATUS

approved

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Last modified March 26 06:49 EDT 2017. Contains 284111 sequences.