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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,1

REFERENCES

J. P. Hayes, Enumeration of fanout-free Boolean functions, J. ACM, 23 (1976), 700-709.

LINKS

Table of n, a(n) for n=4..8.

Index entries for sequences related to Boolean functions

FORMULA

~Hayes (1976, Theorem 3) gives a recurrence.

CROSSREFS

A column of A225171.

Sequence in context: A165119 A165128 A165121 * A159536 A274893 A275135

Adjacent sequences:  A224765 A224766 A224767 * A224769 A224770 A224771

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Apr 30 2013

STATUS

approved

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Last modified April 19 13:00 EDT 2021. Contains 343114 sequences. (Running on oeis4.)