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A113576 Least (2n-1)-digit palindromic prime == 1 (mod 2n-1), or 0 if no such prime exists. 1
2, 151, 10301, 1008001, 100161001, 10002520001, 1000605060001, 100000323000001, 10000007070000001, 1000000310130000001, 100000000212000000001, 10000000001710000000001, 1000000000016100000000001, 100000000000656000000000001, 10000000000004740000000000001 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: No term is zero.

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

a(3) = 10301 == 1 mod 5.

CROSSREFS

Cf. A113575.

Sequence in context: A046473 A261967 A024245 * A102458 A206309 A265880

Adjacent sequences:  A113573 A113574 A113575 * A113577 A113578 A113579

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy, Nov 06 2005

EXTENSIONS

More terms from R. J. Mathar, Aug 28 2007

STATUS

approved

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Last modified October 27 20:18 EDT 2021. Contains 348290 sequences. (Running on oeis4.)