A084124 Numbers n such that 11*3^n + 2 is prime.

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

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