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A029977 Primes that are palindromic in base 9. 4
2, 3, 5, 7, 109, 127, 173, 191, 227, 337, 373, 419, 601, 619, 683, 701, 719, 6967, 7129, 7867, 8443, 9181, 9343, 10333, 10657, 11071, 11971, 12547, 13033, 13367, 13691, 14843, 15581, 16319, 16481, 17957, 18119, 18371, 19433, 27067, 27967 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..41.

P. De Geest, World!Of Palindromic Primes

MATHEMATICA

f[n_]:=FromDigits[RealDigits[n, 9][[1]]]==FromDigits[Reverse[RealDigits[n, 9][[1]]]]; lst={}; Do[p=Prime[n]; If[f[p], AppendTo[lst, p]], {n, 8!}]; lst (* Vladimir Joseph Stephan Orlovsky, Aug 10 2009 *)

CROSSREFS

Sequence in context: A092908 A050784 A030150 * A052019 A205529 A006341

Adjacent sequences:  A029974 A029975 A029976 * A029978 A029979 A029980

KEYWORD

nonn,base

AUTHOR

Patrick De Geest

STATUS

approved

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Last modified March 25 01:30 EDT 2017. Contains 284036 sequences.