OFFSET
1,2
COMMENTS
The next term has 212 digits. - Harvey P. Dale, May 31 2021
LINKS
C. S. Lorens, Invertible Boolean functions, IEEE Trans. Electron. Computers, EC-13 (1964), 529-541.
C. S. Lorens, Invertible Boolean functions, IEEE Trans. Electron. Computers, EC-13 (1964), 529-541. [Annotated scan of page 530 only]
MAPLE
a:= n-> ceil((2^n)!/4^n):
seq(a(n), n=1..6); # Alois P. Heinz, May 31 2021
MATHEMATICA
Join[{1, 2}, Table[(2^n)!/4^n, {n, 3, 6}]] (* Harvey P. Dale, May 31 2021 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved