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A175451
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a(n)>a(n-1), a(n) = smallest prime such that a(n)+a(n-1) is multiple of m, a(1)=2, m=21.
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11
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2, 19, 23, 61, 107, 229, 233, 271, 317, 397, 401, 439, 443, 523, 569, 607, 653, 691, 821, 859, 863, 1069, 1283, 1321, 1367, 1447, 1451, 1489, 1493, 1531, 1619, 1657, 1787, 1867, 1871, 1951, 1997, 2161, 2207, 2287, 2333, 2371, 2417, 2539, 2543, 2707, 2711
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OFFSET
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1,1
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COMMENTS
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LINKS
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MATHEMATICA
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a=2; s={a}; k=2; m=21; Do[p=Prime[k]; If[Mod[a+p, m]==0, a=p; AppendTo[s, a]]; k++, {1000}]; s
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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