OFFSET
1,3
COMMENTS
In a conjunction table, the only requirements are (i) True ^ True = True; and (ii) no other conjunction gives True. So each of the other n^2-1 entries can be assigned any of n-1 non-True values, giving raise to the formula (n-1)^(n^2-1).
REFERENCES
H. Eves, C. V. Newsom, An Introduction to the Foundation and Fundamental concepts of Mathematics, Rinehart & Co., New York, 1958.
FORMULA
a(n) = (n-1)^(n^2-1).
PROG
(PARI) a(n)=(n-1)^(n^2-1) \\ Charles R Greathouse IV, Sep 23 2015
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Max Alekseyev, Sep 23 2015
STATUS
approved