Number of quaternary codes of length 4 with n words.

A034235

Number of quaternary codes of length 4 with n words.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =20a(4) =223a(5) =3227a(6) =77194a(7) =2097080a(8) =57796870a(9) =1502295684a(10) =36065804158a(11) =795109767172

External references