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 A262630 Base-10 representation of 1 and the primes at A262629. 3
 1, 7, 31, 127, 5113, 303049, 130677919, 8561616127, 343370835961, 398015959727917, 6536129506258687661, 136824982467292060343, 1727891550586579544797, 518772379027828374941147, 33164398702973727192477403, 91254204345537698333055497929 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Clark Kimberling, Table of n, a(n) for n = 1..300 EXAMPLE n   A262629(n)    base-10 representation 1   1                 1 2   111               7 3   11111             31 4   1111111           127 5   1001111111001     5113 MATHEMATICA 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 *) (* Peter J. C. Moses, Sep 01 2015 *) CROSSREFS Cf. A262629. Subsequence of A016041 (except a(1)). Sequence in context: A036282 A033474 A001896 * A282857 A296573 A180147 Adjacent sequences:  A262627 A262628 A262629 * A262631 A262632 A262633 KEYWORD nonn,base AUTHOR Clark Kimberling, Oct 02 2015 STATUS approved

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Last modified March 19 11:29 EDT 2019. Contains 321329 sequences. (Running on oeis4.)