The On-Line Encyclopedia of Integer Sequences (OEIS)

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A007795

Juxtapose pairs of primes.
(history; published version)

#9 by Zak Seidov at Fri Jan 04 20:29:46 EST 2013

DATA

23, 35, 57, 1113, 1719, 2329, 3137, 4143, 4753, 5961, 6771, 7379, 8389, 97101, 103107, 109113, 127131, 137139, 149151, 157163, 167173, 179181, 191193, 197199, 211223, 227229, 233239, 241251, 257263, 269271, 277281, 283293, 307311, 313317, 331337, 347349, 353359

Discussion

Fri Jan 04

20:31

Zak Seidov: Why not 35, 711 etc?
Why not 	 "Juxtapose two consecutive  primes" ?

#8 by Zak Seidov at Fri Jan 04 20:29:20 EST 2013

DATA

STATUS

approved

editing

#7 by Harvey P. Dale at Fri May 06 18:06:25 EDT 2011

STATUS

proposed

approved

#6 by Harvey P. Dale at Fri May 06 18:05:58 EDT 2011

DATA

23, 57, 1113, 1719, 2329, 3137, 4143, 4753, 5961, 6771, 7379, 8389, 97101, 103107, 109113, 127131, 137139, 149151, 157163, 167173, 179181, 191193, 197199, 211223, 227229, 233239, 241251, 257263, 269271, 277281, 283293, 307311, 313317, 331337, 347349, 353359

MATHEMATICA

FromDigits[Flatten[IntegerDigits/@#]]&/@Partition[Prime[ Range[150]], 2] (* From Harvey P. Dale, May 06 2011 *)

EXTENSIONS

More terms from Harvey P. Dale, May 06 2011.

STATUS

approved

proposed

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

KEYWORD

nonn,base,new

AUTHOR

bmoore@(AT)artemis.ess.ucla.edu (William B. Moore)

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

NAME

Pairs Juxtapose pairs of primes.

KEYWORD

nonn,base,new

#3 by N. J. A. Sloane at Sun Jun 14 03:00:00 EDT 1998

REFERENCES

KEYWORD

nonn,base,new

#2 by N. J. A. Sloane at Wed Dec 11 03:00:00 EST 1996

REFERENCES

KEYWORD

nonn,base,new

#1 by N. J. A. Sloane at Fri Mar 15 03:00:00 EST 1996

NAME

Pairs of primes.

DATA

23, 57, 1113, 1719, 2329, 3137, 4143, 4753, 5961, 6771, 7379, 8389, 97101, 103107, 109113, 127131, 137139, 149151, 157163, 167173, 179181, 191193, 197199, 211223, 227229

OFFSET

1,1

REFERENCES

KEYWORD

nonn,base

AUTHOR

bmoore@artemis.ess.ucla.edu (William B. Moore)

STATUS

approved