
OFFSET

1,1


COMMENTS

The only currently known primes of the form 11^n  2 correspond to numbers n = {4, 6}. Last digit of a(n) is 9.
11^n2 is also prime (probable prime) for n in {22420, 27636, 27850, 28986, 31168}.  Robert Price, Mar 26 2014


LINKS

Table of n, a(n) for n=1..2.


EXAMPLE

a(1) = 11^4  2 = 14639,
a(2) = 11^6  2 = 1771559.


CROSSREFS

Cf. A104096 = Largest prime <= 11^n. Cf. A130652 = 11^n  2. Cf. A128472 = smallest prime of the form (2n1)^k  2 for k>(2n1). Cf. A084714 = smallest prime of the form (2n1)^k  2. Cf. A014224, A109080, A090669, A128455, A128457, A128458, A128459, A128460, A128461.
Cf. A133982.
Sequence in context: A032736 A032738 A252218 * A023683 A231118 A017284
Adjacent sequences: A133855 A133856 A133857 * A133859 A133860 A133861


KEYWORD

bref,hard,more,nonn


AUTHOR

Alexander Adamchuk, Sep 27 2007


STATUS

approved

