%I #7 Mar 04 2021 12:02:51
%S 18,144,966,6042
%N Coefficients of cluster series for site percolation problem on triangular lattice with 1st, 2nd and 3rd neighbor bonds.
%D J. W. Essam, Percolation and cluster size, in C. Domb and M. S. Green, Phase Transitions and Critical Phenomena, Ac. Press 1972, Vol. 2; see especially pp. 225-226.
%Y Cf. A003200, A003203.
%K nonn,more
%O 1,1
%A _N. J. A. Sloane_
%E Name clarified by _Andrey Zabolotskiy_, Mar 04 2021