A001067 appears to count the periodic points for a certain map. If so, then this is the sequence of the numbers of orbits of length n.

A060309

A001067 appears to count the periodic points for a certain map. If so, then this is the sequence of the numbers of orbits of length n.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =115a(6) =0a(7) =452a(8) =4874a(9) =17461a(10) =7062a(11) =19696950a(12) =50610a(13) =242341439a(14) =114877883680a(15) =481832564850a(16) =8919335150

External references