A324433 - OEIS

A324433

Number of labeled cyclic chord diagrams with n chords such that every chord has length at least seven.

%I #6 Feb 28 2019 11:15:28

%S 1,0,0,0,0,0,0,1,47,2049,72989,2320389,72984903,2340136832,

%T 77373758909,2655913191455,94925974424159,3537409377070327,

%U 137498256564370813,5573810976335976071,235519207528086247775,10365638931006805924491,474762601555480759969273

%N Number of labeled cyclic chord diagrams with n chords such that every chord has length at least seven.

%H Alois P. Heinz, <a href="/A324433/b324433.txt">Table of n, a(n) for n = 0..150</a>

%Y Column k=7 of A324428.

%K nonn

%O 0,9

%A _Alois P. Heinz_, Feb 27 2019