

A084124


Numbers n such that 11*3^n + 2 is prime.


0



0, 2, 8, 10, 11, 38, 68, 88, 158, 200, 248, 1076, 1252, 1586
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OFFSET

1,2


COMMENTS

Values corresponding to 38, 68, 88, 158, 200, 248, 1076, 1252 and 1586 (758 digits) have been certified prime with Primo. There are no other terms <= 6000.


LINKS

Table of n, a(n) for n=1..14.


EXAMPLE

Primes 13,101,72173,649541 are 11*3^0+2, 11*3^2+2, 11*3^8+2, 11*3^10+2.


PROG

(PARI) for(n=0, 6000, if(isprime(11*3^n+2), print1(n, ", ")))


CROSSREFS

Sequence in context: A101532 A032708 A282094 * A081693 A022298 A229090
Adjacent sequences: A084121 A084122 A084123 * A084125 A084126 A084127


KEYWORD

nonn


AUTHOR

Rick L. Shepherd, May 14 2003


STATUS

approved



