The On-Line Encyclopedia of Integer Sequences (OEIS)

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Revision History for A066962

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A066962

Duplicate of A051913.
(history; published version)

#5 by N. J. A. Sloane at Fri May 11 03:00:00 EDT 2007

NAME

phi(n)/phi(phi(n))=3.

Duplicate of A051913.

DATA

7, 9, 13, 14, 18, 19, 21, 26, 27, 28, 35, 36, 37, 38, 39, 42, 45, 52, 54, 56, 57, 63, 65, 70, 72, 73, 74, 76, 78, 81, 84, 90, 91, 95, 97, 104, 105, 108, 109, 111, 112, 114, 117, 119, 126, 130, 133, 135, 140, 144, 146, 148, 152, 153, 156, 162, 163, 168, 171, 180, 182

COMMENTS

Apparently identical to A067020.

KEYWORD

nonn,new

dead

AUTHOR

Benoit Cloitre (abmt(AT)wanadoo.fr), Jan 26 2002

#4 by N. J. A. Sloane at Wed Sep 21 03:00:00 EDT 2005

KEYWORD

nonn,new

nonn

AUTHOR

Benoit Cloitre (abcloitreabmt(AT)modulonetwanadoo.fr), Jan 26 2002

#3 by N. J. A. Sloane at Tue Jul 19 03:00:00 EDT 2005

KEYWORD

nonn,new

nonn

AUTHOR

Benoit Cloitre (abcloitre(AT)wanadoomodulonet.fr), Jan 26 2002

#2 by N. J. A. Sloane at Sun Feb 20 03:00:00 EST 2005

COMMENTS

Apparently identical to A067020.

KEYWORD

nonn,new

nonn

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

NAME

phi(n)/phi(phi(n))=3.

DATA

OFFSET

1,1

KEYWORD

nonn

AUTHOR

Benoit Cloitre (abcloitre(AT)wanadoo.fr), Jan 26 2002

STATUS

approved