|
%I N1761 #8 Jan 03 2014 16:01:42
%S 0,0,1,6,35,221,1554,12108,104293,986452,10186669,114173261,
%T 1381606490,17963133122,249838334627,3702507093782,58255992451047,
%U 970036965428901,17043762930794782,315148172259643152,6117607922562556061,124394868793682972996
%N A001251(n)/2.
%D F. N. David, M. G. Kendall and D. E. Barton, Symmetric Function and Allied Tables, Cambridge, 1966, p. 262. (Terms for n>=13 are incorrect).
%D N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
%Y Cf. A001251.
%K nonn
%O 1,4
%A _N. J. A. Sloane_, Jun 12 2012
|
