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A093943 Primes of the form 8*10^n + 7*R_n, where R_n is the repunit (A002275) of length n. 0
877, 8777777777, 8777777777777777, 877777777777777777777777777777777, 877777777777777777777777777777777777777, 877777777777777777777777777777777777777777777777777777777777777777 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A056724 (corresponding n).

Sequence in context: A154090 A048791 A188391 * A129313 A063051 A190030

Adjacent sequences:  A093940 A093941 A093942 * A093944 A093945 A093946

KEYWORD

nonn

AUTHOR

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

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Last modified February 13 22:36 EST 2012. Contains 205567 sequences.