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A046473 Palindromic primes in base 10 and base 3. 0
2, 151, 757, 93739, 7949497, 112969211 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

P. De Geest, World!Of Palindromic Primes

MATHEMATICA

f[n_, b_]:=FromDigits[RealDigits[n, b][[1]]]==FromDigits[Reverse[RealDigits[n, b][[1]]]]; lst={}; Do[p=Prime[n]; If[f[p, 3]&&f[p, 10], AppendTo[lst, p]], {n, 8!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Sep 25 2009]

CROSSREFS

Cf. A002385.

Sequence in context: A141130 A157074 A128350 * A024245 A113576 A102458

Adjacent sequences:  A046470 A046471 A046472 * A046474 A046475 A046476

KEYWORD

nonn,hard,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Aug 15 1998.

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Last modified February 16 15:27 EST 2012. Contains 205930 sequences.