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A224768
Number of non-degenerate fanout-free Boolean functions of n variables having AND rank 4.
1
16, 320, 8000, 237440, 8212736
OFFSET
4,1
REFERENCES
J. P. Hayes, Enumeration of fanout-free Boolean functions, J. ACM, 23 (1976), 700-709.
FORMULA
~Hayes (1976, Theorem 3) gives a recurrence.
CROSSREFS
A column of A225171.
Sequence in context: A165119 A165128 A165121 * A159536 A274893 A275135
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Apr 30 2013
STATUS
approved