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A175442 a(n)>a(n-1), a(n) = smallest prime such that a(n)+a(n-1) is multiple of m, a(1)=2, m=3. 2
2, 7, 11, 13, 17, 19, 23, 31, 41, 43, 47, 61, 71, 73, 83, 97, 101, 103, 107, 109, 113, 127, 131, 139, 149, 151, 167, 181, 191, 193, 197, 199, 227, 229, 233, 241, 251, 271, 281, 283, 293, 307, 311, 313, 317, 331, 347, 349, 353, 367, 383, 397, 401, 409, 419, 421 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..56.

MATHEMATICA

Join[{2}, Transpose[Select[Partition[Prime[Range[90]], 2, 1], Divisible[Total[#], 3]&]][[2]]]  (* Harvey P. Dale, Feb 20 2011 *)

CROSSREFS

Cf. A175451.

Sequence in context: A020627 A043292 A207526 * A020597 A140563 A154679

Adjacent sequences:  A175439 A175440 A175441 * A175443 A175444 A175445

KEYWORD

nonn

AUTHOR

Zak Seidov, May 28 2010

STATUS

approved

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Last modified September 19 18:37 EDT 2020. Contains 337181 sequences. (Running on oeis4.)