%I M1798 #16 Oct 23 2017 18:00:48
%S 1,1,2,7,35,228,1834,17382,195866,2487832,35499576,562356672,
%T 9794156448,186025364016,3826961710272,84775065603888,2011929826983504
%N Erroneous version of A003713.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H D. S. Kluk & N. J. A. Sloane, <a href="/A002050/a002050_3.pdf">Correspondence, 1979</a>
%K dead
%O 0,3