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A071060 Largest n-digit prime with only prime digits. 0
7, 73, 773, 7757, 77773, 777737, 7777753, 77777377, 777777773, 7777777577, 77777777573, 777777777773, 7777777777573, 77777777777753, 777777777777773, 7777777777777753, 77777777777775557, 777777777777777737, 7777777777777777577, 77777777777777777257, 777777777777777777773, 7777777777777777773533, 77777777777777777775353 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Terms a(5) through a(23) have been certified prime with Primo.

LINKS

Table of n, a(n) for n=1..23.

CROSSREFS

Cf. A069837.

Sequence in context: A113033 A093675 A121127 * A092444 A099141 A084768

Adjacent sequences:  A071057 A071058 A071059 * A071061 A071062 A071063

KEYWORD

base,nonn

AUTHOR

Rick L. Shepherd, May 26 2002

STATUS

approved

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Last modified July 30 23:12 EDT 2021. Contains 346365 sequences. (Running on oeis4.)