The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A340727

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A340727

a(n) is the smallest integer that can be written as a product of n distinct integers > 1 in at least two different ways.
(history; published version)

#6 by James Rayman at Mon Jan 18 00:16:04 EST 2021

NAME

a(n) is the smallest integer that can be written as a product of n distinct integers > 1 in at least two different ways.

STATUS

proposed

editing

Discussion

Mon Jan 18

00:18

James Rayman: Oh whoops. Thanks for catching the typo.

#5 by Wesley Ivan Hurt at Mon Jan 18 00:06:00 EST 2021

STATUS

editing

proposed

#4 by Wesley Ivan Hurt at Mon Jan 18 00:04:05 EST 2021

NAME

a(n) is the smallest integer that can be written as a product of distinct integers > 1 in at least two different ways.

EXAMPLE

a(4) = 240 since 240 = 2*3*4*10 = 2*3*5*8.

STATUS

proposed

editing

Discussion

Mon Jan 18

00:06

Wesley Ivan Hurt: ..as a product of n distinct integers..

#3 by James Rayman at Sun Jan 17 23:04:28 EST 2021

STATUS

editing

proposed

#2 by James Rayman at Sun Jan 17 15:55:42 EST 2021

NAME

allocated for James Raymana(n) is the smallest integer that can be written as a product of distinct integers >1 in at least two different ways

DATA

12, 48, 240, 1440, 8640, 60480, 604800, 5443200, 59875200, 718502400, 9340531200, 124540416000, 1743565824000, 29640619008000, 502146957312000, 8536498274304000, 162193467211776000, 3406062811447296000, 68121256228945920000, 1498667637036810240000

OFFSET

2,1

EXAMPLE

a(2) = 12 since 12 = 2*6 = 3*4.

a(4) = 240 since 240 = 2*3*4*10 = 2*3*5*8

CROSSREFS

Cf. A081957.

KEYWORD

allocated

nonn

AUTHOR

James Rayman, Jan 17 2021

STATUS

approved

editing

#1 by James Rayman at Sun Jan 17 15:55:42 EST 2021

NAME

allocated for James Rayman

KEYWORD

allocated

STATUS

approved