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A147603
Primes congruent to (1,1,2) mod 3, see comment.
0
7, 13, 17, 19, 31, 41, 43, 61, 71, 73, 79, 83, 97, 103, 107, 109, 127, 131, 139, 151, 167, 181, 193, 197, 199, 211, 227, 229, 241, 251, 271, 277, 281, 283, 307, 311, 313, 331, 347, 349, 367, 383, 397, 409, 419, 421, 433, 443, 457, 463, 467, 487, 499, 503, 523
OFFSET
1,1
COMMENTS
Primes in increasing order such that, for k=0,1,2,...:
a(3k+1) = primes congruent to 1 mod 3,
a(3k+2) = primes congruent to 1 mod 3,
a(3k+3) = primes congruent to 2 mod 3.
Prime analog to A147534 Numbers congruent to (1,1,2) mod 3.
MATHEMATICA
s={}; n3=1; Do[Do[If[Mod[p=Prime[n], 3]==1, AppendTo[s, p]; n1=n+1; Break[]], {n, n3, 1000}]; Do[If[Mod[p=Prime[n], 3]==1, AppendTo[s, p]; n2=n+1; Break[]], {n, n1, 1000}]; Do[If[Mod[p=Prime[n], 3]==2, AppendTo[s, p]; n3=n+1; Break[]], {n, n2, 1000}], {55}]; s
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Nov 08 2008
STATUS
approved