The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A324451 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing all changes.

A324451

Number of labeled cyclic chord diagrams with n chords such that the minimal chord length equals seven.
(history; published version)

#5 by Alois P. Heinz at Thu Feb 28 14:39:51 EST 2019

STATUS

editing

approved

#4 by Alois P. Heinz at Thu Feb 28 14:39:46 EST 2019

LINKS

Alois P. Heinz, <a href="/A324451/b324451.txt">Table of n, a(n) for n = 7..97</a>

#3 by Alois P. Heinz at Thu Feb 28 14:37:50 EST 2019

DATA

1, 46, 1973, 68201, 2098472, 64097193, 2008704765, 65104369974, 2195744407327, 77260041066718, 2838770935775962, 108941687605845691, 4365240928102864872, 182511493727454453315, 7955490810231969340127, 361168545333805402618994, 17059236243411156603252558

#2 by Alois P. Heinz at Thu Feb 28 12:18:30 EST 2019

NAME

allocated for Alois P. Heinz

Number of labeled cyclic chord diagrams with n chords such that the minimal chord length equals seven.

DATA

1, 46, 1973, 68201, 2098472

OFFSET

7,2

FORMULA

a(n) = A324433(n) - A324434(n).

CROSSREFS

Column k=7 of A324429.

Cf. A324433, A324434.

KEYWORD

allocated

nonn

AUTHOR

Alois P. Heinz, Feb 28 2019

STATUS

approved

editing

#1 by Alois P. Heinz at Thu Feb 28 11:59:16 EST 2019

NAME

allocated for Alois P. Heinz

KEYWORD

allocated

STATUS

approved