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A365598 Near-repdigit primes with at least two 9's as the repeated digit. 9
991, 997, 99991, 9999991, 99999999999999997, 999999999999999999999999999999991, 999999999999999999999999999999999999999999991 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
99991 is a term because all digits are equal to 9 except the last one.
CROSSREFS
Sequence in context: A119057 A218401 A053393 * A031790 A137703 A255098
KEYWORD
base,nonn
AUTHOR
Robert Price, Sep 10 2023
STATUS
approved

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Last modified September 11 17:54 EDT 2024. Contains 375839 sequences. (Running on oeis4.)