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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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified March 28 11:49 EDT 2020. Contains 333083 sequences. (Running on oeis4.)