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A100027 Smallest (2n+1)-digit palindromic prime of the form 10...0M0...01 (thus M is a palindrome with <= 2n-1 digits). 4
101, 10301, 1003001, 100030001, 10000500001, 1000008000001, 100000323000001, 10000000500000001, 1000000008000000001, 100000000212000000001, 10000000000300000000001, 1000000000016100000000001, 100000000000080000000000001, 10000000000000300000000000001, 1000000000000024200000000000001 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Values of M are given in A100026. Cf. A100028.

Sequence in context: A055474 A071783 A082808 * A097727 A083981 A267779

Adjacent sequences:  A100024 A100025 A100026 * A100028 A100029 A100030

KEYWORD

nonn,base

AUTHOR

Harvey Dubner (harvey(AT)dubner.com), Nov 20 2004

STATUS

approved

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Last modified September 25 13:01 EDT 2020. Contains 337344 sequences. (Running on oeis4.)