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Revision History for A124058

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Showing entries 1-10 | older changes
Smallest of the first occurrence of n consecutive integers with all different prime signatures.
(history; published version)
#20 by Andrew Howroyd at Sun Mar 05 13:23:50 EST 2023
STATUS

proposed

approved

#19 by Amiram Eldar at Sun Mar 05 13:05:54 EST 2023
STATUS

editing

proposed

#18 by Amiram Eldar at Sun Mar 05 13:05:52 EST 2023
LINKS

Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PrimeSignature.html">Prime Signature</a>.

STATUS

proposed

editing

#17 by Michel Marcus at Sun Mar 05 13:01:44 EST 2023
STATUS

editing

proposed

#16 by Michel Marcus at Sun Mar 05 13:01:39 EST 2023
LINKS

Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PrimeSignature.html">Description of prime signaturePrime Signature</a>

KEYWORD

nonn,more

STATUS

approved

editing

#15 by Michael De Vlieger at Sat Oct 15 08:50:59 EDT 2022
STATUS

reviewed

approved

#14 by Joerg Arndt at Sat Oct 15 08:50:07 EDT 2022
STATUS

proposed

reviewed

#13 by Jon E. Schoenfield at Sat Oct 15 08:47:11 EDT 2022
STATUS

editing

proposed

#12 by Jon E. Schoenfield at Sat Oct 15 08:47:09 EDT 2022
COMMENTS

a(18) > 10^11. [_- _Donovan Johnson_, Oct 24 2009]

a(20) > 10^13. _- _Giovanni Resta_, Jul 13 2015

EXAMPLE

a(6) = 23 because it begins the first occurrence of 6 consecutive integers that have all different prime signatures ({1}, {1,3}, {2}, {1,1}, {3}, {1,2} respectively for 23 through 28).

STATUS

approved

editing

#11 by Bruno Berselli at Tue Jul 14 04:27:29 EDT 2015
STATUS

proposed

approved