A099181 Primes p which are greater than twice p reversed.

31, 41, 61, 71, 83, 311, 331, 401, 421, 431, 461, 491, 521, 541, 571, 601, 631, 641, 661, 691, 701, 733, 743, 751, 761, 773, 811, 821, 823, 853, 863, 881, 883, 911, 941, 953, 971, 983, 991, 2311, 2411, 2521, 2621, 2711, 2801, 3001, 3011, 3041, 3121, 3221

Offset: 1

Author

Robert G. Wilson v, Oct 01 2004

Keywords

• base
• nonn

Examples

			31 is in the sequence since 31 > 2*13.
		

Links

• Erich Friedman, What's Special About This Number?.

Programs

Mathematica

Select[ Prime[ Range[ 460]], # > 2FromDigits[ Reverse[ IntegerDigits[ # ]]] &]