Search: id:A053505
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%I A053505
%S A053505 1,1,2,6,18,90,540,3060,20700,145980,1459800,13854600,140059800,
%T A053505 1514748600,15869034000,285268878000,4109761962000,59488383690000,
%U A053505 935767530036000,13364309726748000,240338216104020000,4540941256642020000
%N A053505 Number of degree-n permutations of order dividing 30.
%D A053505 L. Moser and M. Wyman, On solutions of x^d = 1 in symmetric groups, Canad. 
               J. Math., 7 (1955), 159-168.
%D A053505 R. P. Stanley, Enumerative Combinatorics, Cambridge, Vol. 2, 1999; see 
               Example 5.2.10.
%F A053505 E.g.f.: exp(x+1/2*x^2+1/3*x^3+1/5*x^5+1/6*x^6+1/10*x^10+1/15*x^15+1/30*x^30)
%Y A053505 Cf. A000085, A001470, A001472, A053495-A053505, A005388.
%Y A053505 Sequence in context: A144557 A118455 A165774 this_sequence A000138 A028857 
               A052687
%Y A053505 Adjacent sequences: A053502 A053503 A053504 this_sequence A053506 A053507 
               A053508
%K A053505 nonn
%O A053505 0,3
%A A053505 N. J. A. Sloane (njas(AT)research.att.com), Jan 15 2000

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