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%I #5 Apr 26 2017 11:02:28
%S 1,2,6,34,285,3171,44023,732740,14220153,315233605,7857947691,
%T 217541911830,6621714803509,219780508232663,7899055867765455,
%U 305601002241052936,12662255840668015089,559390257977596068105,26246546675302419239635,1303417502979112415328410
%N n^(n-2)+(n*(n-1)/2)*(n-1)^(n-3).
%C For n > 4, number of maximal independent generating sets for S_n. Compare A078103.
%D P. J. Cameron and P. Cara, Independent generating sets and geometries for symmetric groups, J. Algebra, Vol. 258, no. 2 (2002), 641-650.
%t Join[{1},Table[n^(n-2)+(n(n-1))/2 (n-1)^(n-3),{n,2,20}]] (* _Harvey P. Dale_, Apr 26 2017 *)
%Y A000272 + A052182.
%K nonn
%O 1,2
%A _N. J. A. Sloane_, Nov 23 2002