%I #6 Jan 18 2022 06:08:30
%S 0,0,0,0,0,0,2,11,76,422,2187,10625,49381,221738,969583,4153567
%N Number of n-celled polytans with holes.
%Y Cf. A006074, A001419.
%K nonn,more,hard
%O 1,7
%A _John Mason_, Jan 07 2022