A259328 - cp's OEIS frontend

A259328 Ceiling of ((2^n)!)/(2^(n(n-1))Product((2^i-1)^2,i=1..n)).

%I A259328 #7 Jun 02 2025 11:50:50
%S A259328 2,1,2,51480,2631645209144487019355,
%T A259328 312242081385925594286511113381220856098317029402428309504000000000000
%N A259328 Ceiling of ((2^n)!)/(2^(n*(n-1))*Product((2^i-1)^2,i=1..n)).
%H A259328 C. S. Lorens, <a href="http://dx.doi.org/10.1109/PGEC.1964.263724">Invertible Boolean functions</a>, IEEE Trans. Electron. Computers, EC-13 (1964), 529-541.
%H A259328 C. S. Lorens, <a href="/A000722/a000722.pdf">Invertible Boolean functions</a>, IEEE Trans. Electron. Computers, EC-13 (1964), 529-541. [Annotated scan of page 530 only]
%K A259328 nonn
%O A259328 1,1
%A A259328 _N. J. A. Sloane_, Jun 24 2015

cp's OEIS Frontend

A259328 Ceiling of ((2^n)!)/(2^(n*(n-1))*Product((2^i-1)^2,i=1..n)).

A259328 Ceiling of ((2^n)!)/(2^(n(n-1))Product((2^i-1)^2,i=1..n)).