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Number of pure 2-complexes on 6 unlabeled nodes with n multiple 2-simplexes.
3

%I #12 Feb 10 2020 02:28:13

%S 1,1,4,11,40,122,410,1270,3888,11230,31169,82234,208068,504148,

%T 1175882,2643952,5751108,12125574,24845786,49567350,96475743,

%U 183489050,341565932,623152106,1115673576,1962423333,3394902381,5781655379

%N Number of pure 2-complexes on 6 unlabeled nodes with n multiple 2-simplexes.

%H Andrew Howroyd, <a href="/A050911/b050911.txt">Table of n, a(n) for n = 0..500</a>

%Y Column m=6 of A305027.

%Y Cf. A001400, A014395.

%K nonn

%O 0,3

%A _Vladeta Jovovic_, Dec 29 1999