The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A328580 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A328580

a(n) is the largest primorial dividing A276086(n), where A276086 converts the primorial base expansion of n into its prime product form.
(history; published version)

#12 by Susanna Cuyler at Sun Oct 20 21:45:18 EDT 2019

STATUS

proposed

approved

#11 by Antti Karttunen at Sun Oct 20 18:02:04 EDT 2019

STATUS

editing

proposed

#10 by Antti Karttunen at Sun Oct 20 13:24:45 EDT 2019

NAME

a(n) is the largest primorial dividing A276086(n), where A276086 converts the primorial base expansion of n into its prime product form.

#9 by Antti Karttunen at Sun Oct 20 13:23:44 EDT 2019

LINKS

Antti Karttunen, <a href="/A328580/b328580.txt">Table of n, a(n) for n = 0..2559</a>

<a href="/index/Pri#primorialbase">Index entries for sequences related to primorial base</a>

#8 by Antti Karttunen at Sun Oct 20 11:44:58 EDT 2019

CROSSREFS

Cf. A002110, A053589, A276086, A326810, A328475, A328476, A328570, A328581.

#7 by Antti Karttunen at Sun Oct 20 11:43:51 EDT 2019

FORMULA

A328476(n) / a(n) = A328475(n) - 1.

#6 by Antti Karttunen at Sun Oct 20 11:35:22 EDT 2019

FORMULA

a(n) = A276086(n) / A328475(n).

CROSSREFS

Cf. A002110, A053589, A276086, A326810, A328475, A328476, A328570, A328581.

#5 by Antti Karttunen at Sun Oct 20 11:31:54 EDT 2019

FORMULA

a(n) = A276086(n) - A328476(n).

CROSSREFS

Cf. A002110, A053589, A276086, A326810, A328465, A328475, A328476, A328570.

#4 by Antti Karttunen at Sun Oct 20 11:29:26 EDT 2019

FORMULA

a(n) = A053589(A276086(n)).

CROSSREFS

Cf. A002110, A053589, A276086, A326810, A328465, A328476, A328570.

#3 by Antti Karttunen at Sun Oct 20 11:26:03 EDT 2019

CROSSREFS

Cf. A002110, A326810, A328465, A328476, A328570.