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A324445
Number of labeled cyclic chord diagrams with n chords such that the minimal chord length equals one.
2
1, 2, 11, 74, 652, 7069, 90946, 1353554, 22870541, 432424178, 9044698456, 207336529399, 5168830168426, 139221843251594, 4028994710377547, 124670425690921634, 4107486007743301396, 143555848444786921189, 5304751937400100397626, 206646474536314180818218
OFFSET
1,2
LINKS
FORMULA
a(n) = A001147(n) - A003436(n).
CROSSREFS
Column k=1 of A324429.
Sequence in context: A166992 A058789 A212028 * A158265 A321387 A309146
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Feb 28 2019
STATUS
approved