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A100459 Values of n for which the decimal number 10...090...01 is an n-digit prime. 1
3, 11, 143, 623 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A100028.

Sequence in context: A067657 A063502 A072639 * A010682 A080987 A132561

Adjacent sequences:  A100456 A100457 A100458 * A100460 A100461 A100462

KEYWORD

nonn,base

AUTHOR

Harvey Dubner (harvey(AT)dubner.com), Nov 23 2004

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Last modified February 14 23:16 EST 2012. Contains 205687 sequences.