%I M1503 N0591 #19 Nov 01 2024 23:44:01

%S 1,2,5,16,73,538

%N Erroneous version of A377569.

%C Original name was: Number of circuits of rank n.

%C In Foster's Figure 6, two graphs on 6 vertices are missing: one with edges {1-2, 2-3, 1-3, 4-5, 5-6, 4-6, 1-4, 2-5} and another with same edges plus 1-5. Thus a(5) is off by 2. - _Andrey Zabolotskiy_, Nov 01 2024

%D N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%H R. M. Foster, <a href="https://doi.org/10.1109/T-AIEE.1932.5056068">Geometrical circuits of electrical networks</a>, Transactions of the American Institute of Electrical Engineers, 51 (1932), 309-317.

%K dead

%O 1,2

%A _N. J. A. Sloane_