A115889 Palindromes equal to the difference between a prime number and its index.

1, 2, 3, 6, 7, 11, 99, 202, 212, 222, 282, 373, 404, 424, 505, 525, 575, 626, 636, 848, 858, 909, 1221, 2002, 2332, 2442, 2772, 3003, 3883, 4224, 4884, 6116, 6556, 6886, 7007, 7227, 7337, 8778, 10201, 10901, 11111, 11411, 12021, 12421, 14541, 14941

Offset: 1

Author

Giovanni Resta, Feb 06 2006

Keywords

• nonn
• base

Examples

			575=p(126)-126.
		

Crossrefs

Cf. A115885.

Programs

Mathematica

Select[Union[Flatten[Differences/@Table[{n,Prime[n]},{n,3000}]]], PalindromeQ] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Sep 13 2020 *)