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A341921
Number of simple strong triangulations of a fixed hexagon with n interior nodes.
2
1, 9, 50, 254, 1287, 6630, 34846, 186714, 1018095, 5638035, 31651992, 179850344, 1032901028, 5988670002, 35017696806, 206326044386, 1224068679855, 7307391855855, 43871253636210, 264755875041630, 1605357997312335, 9776732655285960, 59781214452500424, 366905787075963864
OFFSET
1,2
LINKS
PROG
(PARI) R(25, 3) \\ R defined in A210664.
CROSSREFS
Row m=3 of A210664.
Cf. A341918.
Sequence in context: A171480 A369906 A257589 * A231413 A007681 A279972
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Feb 24 2021
STATUS
approved