A211405 Prime numbers that in binary are palindromic and also have palindromic index.

5, 17, 73, 127, 313, 1453, 22861, 28123, 296713, 309481, 2063947162127

Offset: 1

Author

James G. Merickel, Feb 09 2013

Keywords

• nonn
• base

Comments

This has been searched through 2^33.

The index of a(11) is 75558337841. a(12) > 2^44. - Giovanni Resta, Feb 12 2013

Examples

			The binary representations of the first three terms and their indices are 101 and 11, 10001 and 111, and 1001001 and 10101.
		

Crossrefs

Cf. A046941, A016041.

Extensions

a(11) from Giovanni Resta, Feb 12 2013