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Number of n-celled polytans with holes.
0

%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