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A093631 Primes of the form 6*10^n + R_n, where R_n is the repunit (A002275) of length n. 1
61, 611111, 61111111, 61111111111111111111111111, 61111111111111111111111111111111, 61111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A056717 (corresponding n).

Sequence in context: A058996 A116124 A068533 * A087513 A176272 A173418

Adjacent sequences:  A093628 A093629 A093630 * A093632 A093633 A093634

KEYWORD

nonn

AUTHOR

Rick L. Shepherd (rshepherd2(AT)hotmail.com), Apr 06 2004

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Last modified February 16 06:46 EST 2012. Contains 205867 sequences.