A133858 Primes of the form 11^k - 2.

14639, 1771559

Offset: 1

Author

Alexander Adamchuk, Sep 27 2007

Keywords

• nonn
• bref
• hard

Comments

Last digit of all terms is 9.

The nest term (11^22420-2) is too large to be displayed; see A133982 for the corresponding k. - Joerg Arndt, Nov 28 2020

Examples

			a(1) = 11^4 - 2 = 14639,
a(2) = 11^6 - 2 = 1771559.
		

Crossrefs

Cf. A104096 (largest prime <= 11^n), A130652, A128472, A084714 (smallest prime of the form (2n-1)^k - 2).

Cf. A014224, A109080, A090669, A128455, A133982, A128457, A128458, A128459, A128460, A128461.