%I #11 Jun 11 2022 11:42:35
%S 2,4,14,32,60
%N Rightmost diagonal of A347700.
%H H. Sharp, Jr., <a href="https://doi.org/10.1016/0012-365X(73)90081-2">Enumeration of vacuously transitive relations</a>, Discrete Math. 4 (1973), 185-196.
%Y Cf. A003041, A347700.
%K nonn,more
%O 1,1
%A _N. J. A. Sloane_, Oct 13 2021