

A110435


Beginning with 11, least number such that every partial concatenation is a prime.


0



11, 3, 11, 1, 3, 3, 53, 13, 39, 9, 3, 21, 53, 79, 11, 19, 59, 27, 49, 21, 23, 211, 153, 189, 3, 161, 121, 167, 183, 193, 77, 21, 349, 107, 129, 343, 119, 241, 143, 37, 77, 31, 159, 183, 531, 1517, 7, 59, 159, 123, 9, 1513, 203, 343, 59, 9, 999
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OFFSET

1,1


COMMENTS

As n tends to infinity, does everyy term in A045572 arise infinitely many often and with same frequency?  Stefan Steinerberger, Feb 05 2006


LINKS

Table of n, a(n) for n=1..57.


FORMULA

a(n)=A092528(n+1), n>1. [From R. J. Mathar, Aug 18 2008]


EXAMPLE

11,113,11311,113111,1131113,11311133 are all prime.


CROSSREFS

Sequence in context: A083968 A082769 A194706 * A110774 A261411 A067063
Adjacent sequences: A110432 A110433 A110434 * A110436 A110437 A110438


KEYWORD

base,nonn


AUTHOR

Amarnath Murthy, Aug 03 2005


EXTENSIONS

More terms from Stefan Steinerberger, Feb 05 2006


STATUS

approved



