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A093941 Primes of the form 5*10^n + 7*R_n, where R_n is the repunit (A002275) of length n. 0
5, 577, 577777777, 577777777777777, 577777777777777777, 5777777777777777777, 5777777777777777777777777777777777, 577777777777777777777777777777777777 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A056715 (corresponding n).

Sequence in context: A037063 A153404 A185555 * A072952 A179634 A013736

Adjacent sequences:  A093938 A093939 A093940 * A093942 A093943 A093944

KEYWORD

nonn

AUTHOR

Rick L. Shepherd (rshepherd2(AT)hotmail.com), Apr 17 2004

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.