A083393 Palindromes such that the sum of the digits is prime.

2, 3, 5, 7, 11, 101, 111, 131, 151, 191, 212, 232, 272, 292, 313, 353, 373, 434, 454, 494, 515, 535, 575, 595, 616, 656, 676, 737, 757, 797, 818, 838, 878, 919, 959, 1001, 10001, 10101, 10301, 10501, 10901, 11111, 11311, 11711, 11911, 12121, 12521, 12721

Offset: 1

Author

Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jun 11 2003

Keywords

• nonn
• base

Comments

Suggested by Amarnath Murthy

Examples

			12121 is a member because 1+2+1+2+1=7, 7 is prime.
		

Links

• Chai Wah Wu, Table of n, a(n) for n = 1..10000

Programs

Mathematica

Select[Range[15000],PalindromeQ[#]&&PrimeQ[Total[IntegerDigits[#]]]&] (* Harvey P. Dale, Jul 17 2025 *)

Extensions

Corrected and extended by Jason Earls, Jun 12 2003