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A099181 Primes p which are greater than twice p reversed. +0
2
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 (list; graph; listen)
OFFSET

1,1

LINKS

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

EXAMPLE

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

MATHEMATICA

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

CROSSREFS

Sequence in context: A087054 A098711 A087053 this_sequence A040989 A040969 A088555

Adjacent sequences: A099178 A099179 A099180 this_sequence A099182 A099183 A099184

KEYWORD

base,nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 01 2004

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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