The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A337377 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A337377

Primorial deflation (denominator) of Doudna-tree.
(history; published version)

#27 by Susanna Cuyler at Thu Jul 08 14:22:10 EDT 2021

STATUS

proposed

approved

#26 by Antti Karttunen at Wed Jul 07 17:13:56 EDT 2021

STATUS

editing

proposed

#25 by Antti Karttunen at Wed Jul 07 13:08:27 EDT 2021

CROSSREFS

Cf. also A329886, A346097.

#24 by Antti Karttunen at Wed Jul 07 12:10:03 EDT 2021

CROSSREFS

Cf. also A329886.

#23 by Antti Karttunen at Wed Jul 07 12:07:31 EDT 2021

KEYWORD

nonn,frac,look,changed

#22 by Antti Karttunen at Wed Jul 07 12:06:33 EDT 2021

LINKS

Antti Karttunen, <a href="/indexA337377/Fo#fraction_treesb337377.txt">Index entries Table of n, a(n) for fraction treesn = 0..8191</a>

<a href="/index/Fo#fraction_trees">Index entries for fraction trees</a>

#21 by Antti Karttunen at Wed Jul 07 12:04:47 EDT 2021

LINKS

Antti Karttunen, <a href="/A337377/a337377.txt">Data supplement: n, a(n) computed for n = 0..65537</a>

STATUS

approved

editing

#20 by N. J. A. Sloane at Tue Oct 06 02:36:29 EDT 2020

STATUS

proposed

approved

#19 by Wesley Ivan Hurt at Tue Oct 06 00:03:09 EDT 2020

STATUS

editing

proposed

#18 by Wesley Ivan Hurt at Tue Oct 06 00:02:47 EDT 2020

FORMULA

For n >= 1, a(2n2*n) = A003961(a(n)) * A006519(n+1).

a(2n2*n+1) = A026741(a(n)).

CROSSREFS

Positions of ones1's: A194602.

STATUS

proposed

editing