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A262630
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Base-10 representation of 1 and the primes at A262629.
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3
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1, 7, 31, 127, 5113, 303049, 130677919, 8561616127, 343370835961, 398015959727917, 6536129506258687661, 136824982467292060343, 1727891550586579544797, 518772379027828374941147, 33164398702973727192477403, 91254204345537698333055497929
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OFFSET
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1,2
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LINKS
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EXAMPLE
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n A262629(n) base-10 representation
1 1 1
2 111 7
3 11111 31
4 1111111 127
5 1001111111001 5113
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MATHEMATICA
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s = {1}; base = 2; 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 (* A262629 *)
Map[FromDigits[ToString[#], base] &, s] (* A262630 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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