OFFSET
0,2
COMMENTS
A variant of A152607 suggested by Zak Seidov, Sep 24 2009.
Computed by Jean-Marc Falcoz.
Comment from Jean-Marc Falcoz: (Start)
The sequence is infinite since it has the following structure:
9713, 11111, 11113, 11117, 11119, 71111, 71113, 71117, 97111,
97113, 111111, 111113, 111117, 111119, 711111, 711113, 711117, 971111,
971113, 1111111, 1111113, 1111117, 1111119, 7111111, 7111113, 7111117, 9711111,
9711113, 11111111, 11111113, 11111117, 11111119, 71111111, 71111113, 71111117, 97111111,
97111113, 111111111, 111111113, 111111117, 111111119, 711111111, 711111113, 711111117, 971111111,
971111113, 1111111111, 1111111113, 1111111117, 1111111119, 7111111111, 7111111113, 7111111117, 9711111111,
9711111113, ... (End)
LINKS
Eric Angelini, Chiffres consecutifs dans quelques suites
E. Angelini, Chiffres consecutifs dans quelques suites [Cached copy, with permission]
CROSSREFS
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Sep 24 2009
EXTENSIONS
Offset changed by N. J. A. Sloane, Jun 16 2021
STATUS
approved