%I #13 Mar 30 2012 16:52:09

%S 0,1,4,24,309,8807,530356,65679652,16512273616,8370804628178,

%T 8525389679187197,17408681737224080093,71192609533782031405771,

%U 582711051458083440858730497,9542765396943645975520145941300,312620974584432225019935558843189172,20485270547000003746699189223065768145956

%N Subsequence A005318(t_n), where t_n is the n-th triangular number (A000217).

%C These are the repeated terms in A205744.

%H R. K. Guy, <a href="http://dx.doi.org/10.1016/S0304-0208(08)73500-X">Sets of integers whose subsets have distinct sums</a>, pp. 141-154 of Theory and practice of combinatorics. Ed. A. Rosa, G. Sabidussi and J. Turgeon. Annals of Discrete Mathematics, 12. North-Holland 1982. See Table 1.

%Y Cf. A005318, A205744, A096858.

%K nonn

%O 1,3

%A _N. J. A. Sloane_, Feb 09 2012