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A317914
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a(n) = 142099325379199423 + (n-1)*3691994023167450.
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0
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142099325379199423, 145791319402366873, 149483313425534323, 153175307448701773, 156867301471869223, 160559295495036673, 164251289518204123, 167943283541371573, 171635277564539023, 175327271587706473, 179019265610873923
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OFFSET
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1,1
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COMMENTS
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The terms for n = 1..26 are prime. As of Aug 10 2018, this is one of the longest known sequences of primes in arithmetic progression.
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LINKS
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FORMULA
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a(n) = 142099325379199423 + a(n-1)*16549135*23#, where 23# := 2*3*5*7*11*13*17*19*23 = 223092870.
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EXAMPLE
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a(26) = 142099325379199423 + 25*16549135*223092870 = 234399175958385673 is prime.
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MAPLE
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seq(142099325379199423+(n-1)*3691994023167450, n=1..26);
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MATHEMATICA
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Table[142099325379199423 + (n - 1) 3691994023167450, {n, 1, 26}]
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PROG
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(GAP) List([1..26], n->142099325379199423+(n-1)*3691994023167450);
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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