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A185938 First of a run of 3 or more consecutive primes which are congruent to 2 (mod 3). 1
47, 167, 251, 257, 503, 557, 587, 647, 941, 971, 1097, 1181, 1217, 1361, 1493, 1499, 1889, 1901, 1907, 2063, 2393, 2399, 2411, 2441, 2897, 2957, 3191, 3797, 4007, 4073, 4373, 4391, 4397, 4451, 4457, 4673, 4679, 4691, 4871, 5081, 5237, 5261, 5297, 5351, 5381, 5387, 5801, 6257, 6311, 6317, 6857, 6911, 6971, 7001, 7079 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The subsequence of terms A185935(k) such that nextprime(A185935(k))=A185935(k+1). If nextprime(a(n))=a(n+1), then a(n) is in A185941.

LINKS

Table of n, a(n) for n=1..55.

PROG

(PARI) s=Mod([2, 2, 2], 3); o=vector(#s); i=0; forprime( p=1, 1e4, o[i++%3+1]=p; o-s | print1( o[(i+1)%3+1]", "))

CROSSREFS

Cf. A185936.

Sequence in context: A142634 A140641 A141994 * A132251 A078857 A216827

Adjacent sequences:  A185935 A185936 A185937 * A185939 A185940 A185941

KEYWORD

nonn

AUTHOR

M. F. Hasler, Feb 06 2011

STATUS

approved

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Last modified July 26 08:42 EDT 2021. Contains 346294 sequences. (Running on oeis4.)