A103611 Smallest prime p with at least two non-overlapping occurrences of n in decimal representation of p.

11, 223, 233, 443, 557, 661, 277, 881, 199, 10103, 11113, 112121, 13313, 14143, 115151, 116167, 11717, 18181, 19219, 20201, 21121, 22229, 12323, 24247, 25253, 26261, 22727, 28283, 29129, 30307, 23131, 32321, 23333, 134341, 35353, 136361

Offset

1,1

Comments

A062584(n) <= a(n).

Links

Harvey P. Dale, Table of n, a(n) for n = 1..100

Mathematica

With[{prs=Prime[Range[15000]]}, Table[SelectFirst[prs, SequenceCount[ IntegerDigits[ #], IntegerDigits[n]]>1&], {n, 40}]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Aug 30 2016 *)

Crossrefs

Sequence in context: A192686 A323416 A308438 * A142541 A295542 A089917

Adjacent sequences: A103608 A103609 A103610 * A103612 A103613 A103614

Keyword

nonn,base

Author

Reinhard Zumkeller, Mar 24 2005

Status

approved