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A056728 Palindromic primes using only two distinct digits and only the exterior digit is different. +0
1
101, 131, 151, 181, 191, 313, 353, 373, 383, 727, 757, 787, 797, 919, 929, 13331, 15551, 16661, 19991, 72227, 75557, 76667, 78887, 79997, 1333331, 1444441, 1777771, 3222223, 3444443, 7666667, 9222229, 9888889 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A056730 A077798 A089360 this_sequence A085112 A059758 A104946

Adjacent sequences: A056725 A056726 A056727 this_sequence A056729 A056730 A056731

KEYWORD

nonn,base

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 11 2000

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

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