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A046752 Triangle of number of homeomorphically irreducible stars with n edges and m nodes. 1

%I

%S 1,1,1,1,1,2,2,1,3,5,1,4,13,4,1,6,26,24,5,1,7,47,84,38,1,9,78,233,216,

%T 23,1,11,126,557,914,314,16

%N Triangle of number of homeomorphically irreducible stars with n edges and m nodes.

%D B. R. Heap, The enumeration of homeomorphically irreducible star graphs, J. Math. Phys., 7 (1966), 1582-1587.

%e 1; 1; 1 1; 1 2 2; 1 3 5;...

%Y Cf. A002935.

%K nonn,nice,tabf,more

%O 0,6

%A _N. J. A. Sloane_.

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Last modified February 17 18:08 EST 2019. Contains 320222 sequences. (Running on oeis4.)