A199821 - OEIS

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A199821

Primes of form 12^n-11^n.

1

23, 397, 16344637

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

OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..6

MATHEMATICA

Select[12^Range[3000]-11^Range[3000], PrimeQ]

PROG

(Magma) [ a: n in [0..300] | IsPrime(a) where a is 12^n-11^n ]

CROSSREFS

Sequence in context: A142821 A245805 A016197 * A009008 A286787 A226847

Adjacent sequences: A199818 A199819 A199820 * A199822 A199823 A199824

KEYWORD

nonn,more,bref

AUTHOR

Vincenzo Librandi, Nov 21 2011

STATUS

approved