login
A196991
Number of fixed polycairos with n cells.
0
4, 10, 32, 112, 412, 1572, 6148, 24494, 98992, 404650, 1669496, 6941226, 29047568, 122235518, 516860460, 2194691988, 9353657788
OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Polycairo
CROSSREFS
KEYWORD
nonn,hard
AUTHOR
Joseph Myers, Oct 08 2011
EXTENSIONS
a(16)-a(17) from Johann Peters, Aug 05 2024
STATUS
approved