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Number of fixed polyarcs with n cells.
1

%I #17 May 16 2022 17:38:52

%S 8,33,144,626,2808,13422,65488,326183,1650784,8444367,43629968,

%T 227105588,1190399144,6274864076

%N Number of fixed polyarcs with n cells.

%Y Cf. A057787, A353979.

%K nonn,more

%O 1,1

%A _Aaron N. Siegel_, May 14 2022