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A168340 Near-repunit emirps with a single 0 in their decimal expansion. 0

%I #9 Jan 27 2023 11:39:45

%S 101111111111,111011111111,111111110111,111111111101,

%T 111110111111111111,111111111111011111,11011111111111111111,

%U 11111111111111111011,111111111111111111111101111111111111111111111111111111,111111111111111111111111111111101111111111111111111111

%N Near-repunit emirps with a single 0 in their decimal expansion.

%C Emirps A006567 which are also "near" repunits (near indicating that one non-leading 1-digit is replaced by a 0).

%F A065074 INTERSECT A006567. [_R. J. Mathar_, Nov 26 2009]

%Y Cf. A065074.

%K nonn,base

%O 1,1

%A _Lekraj Beedassy_, Nov 23 2009

%E 6 more terms from _R. J. Mathar_, Nov 26 2009

%E Name changed by _Arkadiusz Wesolowski_, Sep 23 2011

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Last modified August 8 07:31 EDT 2024. Contains 375020 sequences. (Running on oeis4.)