The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A300147

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Showing entries 1-10 | older changes

a(n) = (1/8) * Sum_{d|n} d * A110163(d).
(history; published version)

#12 by Vaclav Kotesovec at Thu Jun 07 03:53:30 EDT 2018

STATUS

editing

approved

#11 by Vaclav Kotesovec at Thu Jun 07 03:53:22 EDT 2018

LINKS

Vaclav Kotesovec, <a href="/A300147/b300147.txt">Table of n, a(n) for n = 1..420</a>

#10 by Vaclav Kotesovec at Thu Jun 07 03:46:51 EDT 2018

FORMULA

a(n) ~ (-1)^n * exp(Pi*sqrt(3)*n) / 8. - Vaclav Kotesovec, Jun 07 2018

STATUS

approved

editing

#9 by Bruno Berselli at Mon Feb 26 12:15:51 EST 2018

STATUS

reviewed

approved

#8 by Joerg Arndt at Mon Feb 26 10:17:45 EST 2018

STATUS

proposed

reviewed

#7 by Seiichi Manyama at Mon Feb 26 10:14:52 EST 2018

STATUS

editing

proposed

#6 by Seiichi Manyama at Mon Feb 26 10:12:55 EST 2018

NAME

a(n) = (1/8) * Sum_{d|n} d * A110163(n/d).

#5 by Seiichi Manyama at Mon Feb 26 09:54:03 EST 2018

CROSSREFS

Discussion

Mon Feb 26

09:54

Seiichi Manyama: This sequence is for calculating A108091 and A289247.

#4 by Seiichi Manyama at Mon Feb 26 09:52:42 EST 2018

CROSSREFS

#3 by Seiichi Manyama at Mon Feb 26 09:51:54 EST 2018

CROSSREFS

Cf. A (E_4), A108091, A110163, A, A300025.