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A109462
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Number of PN-equivalence classes of canalizing functions with n variables.
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3
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OFFSET
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0,1
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COMMENTS
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PN-equivalence allows complementing the individual variables.
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REFERENCES
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D. E. Knuth, The Art of Computer Programming, Vol. 4, Section 7.1.1 (in preparation).
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LINKS
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FORMULA
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For n>1, a(n) = 2*A000616(n) - 1 because the only self-dual examples occur when the function is a projection onto a single variable.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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