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Revision History for A334342

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Showing entries 1-10 | older changes
Tatsuru Watanabe's set of 47 squarefree numbers whose reciprocals add to 1, with the property that each number has exactly two distinct prime factors.
(history; published version)
#53 by Bruno Berselli at Sat Oct 10 12:15:38 EDT 2020
STATUS

reviewed

approved

#52 by Joerg Arndt at Sat Oct 10 05:05:50 EDT 2020
STATUS

proposed

reviewed

#51 by Michel Marcus at Sat Oct 10 01:13:40 EDT 2020
STATUS

editing

proposed

#50 by Michel Marcus at Sat Oct 10 01:13:37 EDT 2020
LINKS

Carlos Rivera, <a href="http://www.primepuzzles.net/problems/prob_035.htm">Problem 35. More wrong turns...</a>, The Prime Puzzles and Problems Connection.

STATUS

approved

editing

#49 by N. J. A. Sloane at Tue Sep 08 02:35:55 EDT 2020
STATUS

proposed

approved

#48 by Michel Marcus at Tue Sep 08 02:32:11 EDT 2020
STATUS

editing

proposed

Discussion
Tue Sep 08
02:35
N. J. A. Sloane: Great!
#47 by Michel Marcus at Tue Sep 08 02:32:05 EDT 2020
COMMENTS

This is one of the 2 17 sets given in the link below.

STATUS

proposed

editing

#46 by Michel Marcus at Tue Sep 08 02:28:56 EDT 2020
STATUS

editing

proposed

#45 by Michel Marcus at Tue Sep 08 02:26:29 EDT 2020
NAME

allocated for Michel MarcusTatsuru Watanabe's set of 47 squarefree numbers whose reciprocals add to 1, with the property that each number has exactly two distinct prime factors.

DATA

6, 10, 14, 15, 21, 22, 26, 33, 34, 35, 38, 39, 46, 51, 55, 57, 58, 62, 65, 69, 74, 82, 85, 86, 87, 91, 93, 95, 106, 111, 123, 133, 145, 155, 159, 185, 203, 215, 253, 265, 287, 319, 493, 583, 731, 851, 1073

OFFSET

1,1

COMMENTS

This is one of the 2 sets given in the link below.

LINKS

Tatsuru Watanabe, <a href="https://arxiv.org/abs/2009.03275">New examples of the representation of 1 by the sum of reciprocals of semiprime numbers</a>, arXiv:2009.03275 [math.NT], 2020.

<a href="/index/Ed#Egypt">Index entries for sequences related to Egyptian fractions</a>

CROSSREFS

Cf. A201650.

KEYWORD

allocated

nonn,fini,full

AUTHOR

Michel Marcus, Sep 08 2020

STATUS

approved

editing

Discussion
Tue Sep 08
02:28
Michel Marcus: ok like this ?
#44 by Michel Marcus at Tue Sep 08 02:26:29 EDT 2020
NAME

allocated for Michel Marcus

KEYWORD

recycled

allocated