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%I #10 May 14 2022 04:54:56
%S 2,11,36,169,702,3411,16372,81798,412696,2112362,10907492,56782983,
%T 297599786,1568750187
%N Number of one-sided polyarcs with n cells.
%Y Cf. A057787.
%K nonn,more
%O 1,1
%A _Aaron N. Siegel_, May 12 2022