A164824 Lucas pseudoprimes whose reversal is prime.

10877, 97921, 113573, 163081, 186961, 302101, 1106327, 1149851, 1317121, 1392169, 1533601, 1653601, 1690501, 3218801, 3338221, 3399527, 3967201, 7405201, 7640137, 7678321, 9264097, 9439201, 9532033, 9582145, 10237921

Offset: 1

Author

Jonathan Vos Post, Aug 27 2009

Keywords

• easy
• nonn
• base
• less

Examples

			a(1) = 10877 = 73 * 149 because that is the 8th Lucas pseudoprime, and its reversal 77801 is prime.
		

Crossrefs

Cf. A000040, A004086, A005845, A006567, A007500.

Formula

A005845 INTERSECTION (A006567 UNION A007500). {n in A005845 such that A004086(n) is in A000040}. {n such that n | (L_n - 1), where n is composite and L_n = Lucas numbers A000032, and R(n) is prime}.

Extensions

More terms from R. J. Mathar, Sep 27 2009