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Number of pure 2-complexes on 7 unlabeled nodes with n multiple 2-simplexes.
3

%I #11 Feb 10 2020 02:28:23

%S 1,1,4,14,62,272,1307,6178,28687,127074,534414,2125086,8003063,

%T 28603253,97334199,316359888,985253099,2948785272,8504664978,

%U 23695762074,63924853698,167320196102,425715789486,1054686008982

%N Number of pure 2-complexes on 7 unlabeled nodes with n multiple 2-simplexes.

%H Andrew Howroyd, <a href="/A050912/b050912.txt">Table of n, a(n) for n = 0..500</a>

%Y Column m=7 of A305027.

%Y Cf. A001400, A014395.

%K nonn

%O 0,3

%A _Vladeta Jovovic_, Dec 29 1999