The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A036326

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A036326

Composite numbers n such that juxtaposition of prime factors of n has length 2.
(history; published version)

#6 by Jon E. Schoenfield at Thu Oct 10 00:19:07 EDT 2019

STATUS

editing

approved

#5 by Jon E. Schoenfield at Thu Oct 10 00:19:05 EDT 2019

AUTHOR

Patrick De Geest, Dec 15 1998.

STATUS

approved

editing

#4 by Charles R Greathouse IV at Fri Aug 24 10:47:52 EDT 2012

AUTHOR

_Patrick De Geest (pdg(AT)worldofnumbers.com), _, Dec 15 1998.

Discussion

Fri Aug 24

10:47

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

#3 by N. J. A. Sloane at Sat Nov 10 03:00:00 EST 2007

OFFSET

0,1,1

KEYWORD

nonn,base,fini,full,new

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

NAME

Juxtaposition Composite numbers n such that juxtaposition of prime factors of n has length 2.

CROSSREFS

Cf. A036327 up to -A036334, A046368.

KEYWORD

nonn,base,fini,full,new

AUTHOR

Patrick De Geest (Patrick.DeGeest@pingpdg(AT)worldofnumbers.becom), December Dec 15 1998.

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

NAME

Juxtaposition of prime factors of n has length 2.

DATA

4, 6, 9, 10, 14, 15, 21, 25, 35, 49

OFFSET

0,1

COMMENTS

There are exactly 10 such numbers.

CROSSREFS

Cf. A036327 up to A036334, A046368.

KEYWORD

nonn,base,fini,full

AUTHOR

Patrick De Geest ([email protected]), December 1998.

STATUS

approved