The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A341051

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A341051

a(n) is the largest possible number of n-digit integers that can be in geometric progression with common ratio > 1.
(history; published version)

#59 by Michael De Vlieger at Fri Aug 26 10:25:50 EDT 2022

STATUS

reviewed

approved

#58 by Michel Marcus at Fri Aug 26 10:14:20 EDT 2022

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proposed

reviewed

#57 by Jon E. Schoenfield at Fri Aug 26 09:48:17 EDT 2022

STATUS

editing

proposed

#56 by Jon E. Schoenfield at Fri Aug 26 09:48:11 EDT 2022

REFERENCES

Doob Michael - Doob, The Canadian Mathematical Olympiad & L'Olympiade Mathématique du Canada 1969-1993 - , Canadian Mathematical Society & Société Mathématique du Canada, Problem 10, 1972, page 47, 1993.

STATUS

approved

editing

#55 by N. J. A. Sloane at Wed Dec 22 14:12:57 EST 2021

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proposed

approved

#54 by Michel Marcus at Wed Dec 22 13:22:52 EST 2021

STATUS

editing

proposed

#53 by Michel Marcus at Wed Dec 22 13:22:33 EST 2021

LINKS

Michel Marcus, <a href="/A341051/b341051.txt">Table of n, a(n) for n = 1..5000</a>

STATUS

approved

editing

#52 by Charles R Greathouse IV at Wed Nov 17 15:58:11 EST 2021

STATUS

proposed

approved

#51 by Bernard Schott at Wed Nov 17 11:40:09 EST 2021

STATUS

editing

proposed

Discussion

Wed Nov 17

15:58

Charles R Greathouse IV: Good find with the Index link, I don't think I've seen that around! Could be very useful.

#50 by Bernard Schott at Wed Nov 17 11:37:32 EST 2021

LINKS

The IMO Compendium, <a href="https://imomath.com/othercomp/Can/CanMO72.pdf">Problem 10</a>, 4th Canadian Mathematical Olympiad 1972.

Discussion

Wed Nov 17

11:39

Bernard Schott: Improved comment + link + reference with the 10th problem proposed during the 4th Canadian Mathematical Olympiad in 1972 that I have recently found.