%I A000181 M2076 N0820
%S A000181 2,15,60,469,3660,32958,328920,3614490,43341822,563144725,7880897892,
%T A000181 118177520295,1890389939000,32130521850972,578260307815920,10985555094348948,
%U A000181 219687969344126490,4613039009310624795,101479234383619208204,2333872309936442446905
%N A000181 Coefficients of menage hit polynomials.
%D A000181 J. Riordan, An Introduction to Combinatorial Analysis, Wiley, 1958, p. 
               197.
%D A000181 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A000181 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%Y A000181 A diagonal of A058087. Cf. A000179, A000425.
%Y A000181 Sequence in context: A071237 A006470 A084169 this_sequence A047146 A084187 
               A119904
%Y A000181 Adjacent sequences: A000178 A000179 A000180 this_sequence A000182 A000183 
               A000184
%K A000181 nonn
%O A000181 4,1
%A A000181 N. J. A. Sloane (njas(AT)research.att.com), Simon Plouffe (simon.plouffe(AT)gmail.com)