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A262658
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Base-10 representation of 1 and the primes at A262657.
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3
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1, 107, 10357, 12037097, 32227045657, 1582035465299, 3799607961594979, 5213093566867710049, 611235349109773213549, 32441088456711675411793, 2527020301920681532766561, 2174903961247108881101117191, 7682944139414403968828307261263
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OFFSET
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1,2
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LINKS
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Clark Kimberling, Table of n, a(n) for n = 1..300
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EXAMPLE
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n A262657(n) base-10 representation
1 1 1
2 21 107
3 42124 10357
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MATHEMATICA
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s = {1}; base = 7; z = 20; Do[NestWhile[# + 1 &, 1, ! PrimeQ[tmp = FromDigits[Join[#, IntegerDigits[Last[s]], Reverse[#]] &[IntegerDigits[#, base]], base]] &];
AppendTo[s, FromDigits[IntegerDigits[tmp, base]]], {z}]; s (* A262657 *)
Map[FromDigits[ToString[#], base] &, s] (* A262658 *)
(* Peter J. C. Moses, Sep 01 2015 *)
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CROSSREFS
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Cf. A262657.
Sequence in context: A250155 A240596 A185677 * A114356 A160488 A158476
Adjacent sequences: A262655 A262656 A262657 * A262659 A262660 A262661
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KEYWORD
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nonn,easy,base
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AUTHOR
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Clark Kimberling, Oct 27 2015
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STATUS
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approved
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