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A324433
Number of labeled cyclic chord diagrams with n chords such that every chord has length at least seven.
4
1, 0, 0, 0, 0, 0, 0, 1, 47, 2049, 72989, 2320389, 72984903, 2340136832, 77373758909, 2655913191455, 94925974424159, 3537409377070327, 137498256564370813, 5573810976335976071, 235519207528086247775, 10365638931006805924491, 474762601555480759969273
OFFSET
0,9
LINKS
CROSSREFS
Column k=7 of A324428.
Sequence in context: A278268 A014941 A280707 * A289984 A189173 A162896
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Feb 27 2019
STATUS
approved