login
A075286
Interprimes which are of the form s*prime, s=11.
0
473, 803, 1243, 2453, 5093, 9097, 16753, 17897, 18953, 22297, 26147, 26807, 27247, 28369, 32197, 35387, 36773, 38797, 42163, 44803, 49423, 53933, 60533, 66077, 66319, 66803, 68189, 68233, 69157, 69773, 72083, 72347, 79343, 80663
OFFSET
1,1
COMMENTS
Interprimes of the form s*prime are in A075277-A075296 ( s = 2 - 21 ). Case s=1 is impossible.
EXAMPLE
1243 is an interprime and 1243/11 = 113 is prime.
MATHEMATICA
s=11; Select[Table[(Prime[n+1]+Prime[n])/2, {n, 2, 4000}], PrimeQ[ #/s]&]
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Zak Seidov, Sep 12 2002
STATUS
approved