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A093676 Primes of the form 8*10^k + 3*R_k, where R_k is the repunit (A002275) of length k. 7
83, 83333333, 833333333333333333333333, 833333333333333333333333333333 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Cf. A002275, A056723 (corresponding k).
Sequence in context: A287686 A087532 A116307 * A221416 A130432 A317437
KEYWORD
nonn
AUTHOR
Rick L. Shepherd, Apr 08 2004
STATUS
approved

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Last modified June 16 15:23 EDT 2024. Contains 373432 sequences. (Running on oeis4.)