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Number of simple graphs on n nodes with no cycle of length 5.
1

%I #11 Jan 15 2023 01:45:09

%S 1,2,4,11,26,80,251,929,3727,17565,95428,629795,5171063,55857762,

%T 831428458,17625946914

%N Number of simple graphs on n nodes with no cycle of length 5.

%C EULER transformation of A241784.

%Y Cf. A241784.

%K nonn,more

%O 1,2

%A _Brendan McKay_, Jun 10 2021