来自在线整数百科全书的问候语!ORI/OiS.Id:A195931:1~(-1),1πI A195931,%A195931,1,2,5,16,5623 699,445,44,202,N,A195931,通过FoATA双射的作用,在Syn中的轨道数。http://http://F还保留了逆下降集。%%A195931 James Pfeiffer,个人通信。排列的主要指标和倒数数学。Nachr。83 (1978), 143-159 %e A195931 The orbits of S_4 are: %e A195931 [(1, 2, 3, 4)] %e A195931 [(2, 1, 3, 4)] %e A195931 [(2, 3, 1, 4)] %e A195931 [(2, 3, 4, 1)] %e A195931 [(3, 2, 1, 4)] %e A195931 [(3, 2, 4, 1)] %e A195931 [(3, 4, 2, 1)] %e A195931 [(4, 3, 2, 1)] %e A195931 [(2, 1, 4, 3), (4, 2, 1, 3), (2, 4, 1, 3)] %e A195931 [(2, 4, 3, 1), (4, 2, 3, 1)] %e A195931 [(1, 3, 2, 4), (3, 1, 2, 4)] %e A195931 [(1, 3, 4, 2), (3, 1, 4, 2), (3, 4, 1, 2)] %e A195931 [(1, 4, 3, 2), (4, 3, 1, 2)] %e A195931 [(4, 1, 3, 2)] %e A195931 [(1, 2, 4, 3), (4, 1, 2, 3)] %e A195931 [(1, 4, 2, 3)] %Y A195931 Cf. A195931, A195924, A065161 %K A195931 nonn,hard,more %O A195931 0,3 %A A195931 _Austin Roberts_, Oct 26 2011 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE