A109455 - OEIS

%I #8 Aug 09 2015 00:00:46

%S 2,4,10,34,178,1720,590440

%N Number of equivalence classes of threshold functions under permutations of the variables.

%D D. E. Knuth, The Art of Computer Programming, Vol. 4A, Section 7.1.1, p. 79.

%D S. Muroga, Threshold Logic and Its Applications. Wiley, NY, 1971. [Background]

%Y Cf. A002078, A000617, A001529.

%K nonn,hard,more

%O 0,1

%A _Don Knuth_, Aug 17 2005