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A075285 Interprimes which are of the form s*prime, s=10. 0
30, 50, 170, 370, 590, 610, 730, 1370, 1390, 1910, 1990, 2290, 3310, 3730, 4010, 4990, 5410, 6070, 6590, 7190, 7870, 8770, 9470, 9970, 10610, 11090, 11810, 11930, 12970, 14470, 15230, 15310, 16270, 16570, 16990, 17330, 18790, 19130, 20110 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Interprimes of the form s*prime are in A075277-A075296 ( s = 2 - 21 ). Case s=1 is impossible.

EXAMPLE

370 is an interprime and 370/10 = 37 is prime.

MATHEMATICA

s=10; Select[Table[(Prime[n+1]+Prime[n])/2, {n, 2, 4000}], PrimeQ[ #/s]&]

CROSSREFS

Cf. A075277-A075296.

Sequence in context: A004222 A207143 A004223 * A039349 A043172 A043952

Adjacent sequences:  A075282 A075283 A075284 * A075286 A075287 A075288

KEYWORD

easy,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Sep 12 2002

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Last modified February 15 16:21 EST 2012. Contains 205823 sequences.