A199820 Primes of the form 11^n - 10^n.

331, 61051, 51159090448414546291

Offset

1,1

Comments

The next term is too large to include (see A062577).

Links

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

Mathematica

Select[11^Range[3000]-10^Range[3000], PrimeQ]

Prog

(Magma) [ a: n in [0..300] | IsPrime(a) where a is 11^n-10^n ]

Crossrefs

Cf. A062577.

Sequence in context: A237475 A060894 A002228 * A255389 A133141 A231755

Adjacent sequences: A199817 A199818 A199819 * A199821 A199822 A199823

Keyword

nonn,bref

Author

Vincenzo Librandi, Nov 21 2011

Status

approved