The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A050728

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Decimal expansion of 7^n contains no pair of consecutive equal digits (probably finite).
(history; published version)

#5 by Jon E. Schoenfield at Wed Oct 16 01:20:27 EDT 2019

STATUS

editing

approved

#4 by Jon E. Schoenfield at Wed Oct 16 01:20:23 EDT 2019

AUTHOR

STATUS

approved

editing

#3 by Charles R Greathouse IV at Fri Aug 24 10:48:12 EDT 2012

AUTHOR

_Patrick De Geest (pdg(AT)worldofnumbers.com), _, Sep 15 1999.

Discussion

Fri Aug 24

10:48

OEIS Server: https://oeis.org/edit/global/1824

#2 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003

KEYWORD

nonn,base,new

AUTHOR

Patrick De Geest (Patrick.DeGeest@pingpdg(AT)worldofnumbers.becom), September Sep 15 1999.

#1 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999

NAME

Decimal expansion of 7^n contains no pair of consecutive equal digits (probably finite).

DATA

0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 12, 17, 27

OFFSET

0,3

EXAMPLE

7^27 = 65712362363534280139543.

CROSSREFS

KEYWORD

nonn,base

AUTHOR

Patrick De Geest ([email protected]), September 1999.

STATUS

approved