login
A369365
Number of free rooted (or pointed) polyiamonds with n cells.
2
1, 1, 2, 6, 16, 50, 150, 458, 1388, 4233, 12875, 39227, 119456, 363868, 1107912, 3372793, 10264156, 31228969
OFFSET
1,3
CROSSREFS
KEYWORD
nonn,more
AUTHOR
EXTENSIONS
a(18) from John Mason, Sep 20 2024
STATUS
approved