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A090506 Least number beginning with n such that every concatenation is a prime. 1
11, 23, 31, 419, 523, 63, 741, 81, 933, 1077, 117, 1257, 137, 1441, 1523, 16111, 1731, 1829, 1977, 20091, 21151, 221, 23059, 24059, 2569, 2621, 2769, 2883, 2913, 3087, 319, 32099, 33033, 3483, 35193, 3607, 37841, 3859, 39489, 4083, 41333, 42213 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

CROSSREFS

Cf. A090507.

Sequence in context: A090920 A344175 A126330 * A250215 A208326 A097657

Adjacent sequences:  A090503 A090504 A090505 * A090507 A090508 A090509

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Dec 06 2003

EXTENSIONS

More terms from David Wasserman, Dec 16 2005

STATUS

approved

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Last modified October 20 02:21 EDT 2021. Contains 348099 sequences. (Running on oeis4.)