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A365597
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Near-repdigit primes with at least two 7's as the repeated digit.
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9
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773, 77773, 777777773, 777777777773, 7777777777771, 777777777777773, 77777777777777777771, 777777777777777777773, 77777777777777777777771, 7777777777777777777777777777771
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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EXAMPLE
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77773 is a term because all digits are equal to 7 except the last one.
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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