

A110767


a(1) = 11 then the least number of concatenation of n that gives prime when placed on the most significant side of the previous concatenation.


0




OFFSET

1,1


COMMENTS

Contribution from David Wasserman, Dec 30 2008: (Start)
Next term has 634 digits.
A088061 gives the primes. (End)


LINKS

Table of n, a(n) for n=1..7.


EXAMPLE

11,211,33211,44433211,5544433211,... are all primes.


CROSSREFS

Cf. A088061. [From David Wasserman, Dec 30 2008]
Sequence in context: A077344 A298439 A095157 * A089365 A130217 A096044
Adjacent sequences: A110764 A110765 A110766 * A110768 A110769 A110770


KEYWORD

base,nonn


AUTHOR

Amarnath Murthy, Aug 12 2005


STATUS

approved



