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Number of Post functions of n variables which fail to satisfy Post's second condition.
1

%I #5 Oct 06 2015 13:59:00

%S 1,1,4,16,544

%N Number of Post functions of n variables which fail to satisfy Post's second condition.

%H R. F. Wheeler, <a href="/A002543/a002543.pdf">Complete propositional connectives</a>, Z. Math. Logik Grundlagen Math. 7 1961 185-198. [Annotated scanned copy]

%H R. F. Wheeler, <a href="/A002543/a002543_2.pdf">An asymptotic formula for the number of complete propositional connectives</a>, Z. Math. Logik Grundlagen Math. 8 (1962),1-4. [Annotated scanned copy]

%Y Equals A002857 - A002543.

%K nonn,more

%O 1,3

%A _N. J. A. Sloane_, Oct 06 2015