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A029972 Palindromic primes in base 4. +0
6
2, 3, 5, 17, 29, 59, 257, 373, 409, 461, 509, 787, 839, 887, 907, 991, 4289, 4561, 5189, 5669, 5861, 6133, 6217, 6553, 6761, 7309, 7517, 7789, 7853, 12899, 13171, 13591, 14327, 14347, 14411, 14683, 14747, 14891, 15083, 15227, 15439, 15647 (list; graph; listen)
OFFSET

1,1

LINKS

P. De Geest, World!Of Palindromic Primes

MATHEMATICA

Do[s = RealDigits[n, 4][[1]]; If[PrimeQ[n], If[FromDigits[s] == FromDigits[Reverse[s]], Print[n]]], {n, 1, 1600}]

CROSSREFS

Adjacent sequences: A029969 A029970 A029971 this_sequence A029973 A029974 A029975

Sequence in context: A065725 A057468 A127062 this_sequence A077498 A118958 A053182

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

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Last modified July 4 09:27 EDT 2009. Contains 160562 sequences.


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