Number of possible plugboard settings for a WWII German Enigma Cipher Machine with n cables.

A266365

Number of possible plugboard settings for a WWII German Enigma Cipher Machine with n cables.

Terms

    a(0) =1a(1) =325a(2) =44850a(3) =3453450a(4) =164038875a(5) =5019589575a(6) =100391791500a(14) =0a(15) =0a(16) =0

External references