Number of 2 X n matrices over GF(3) under row and column permutations.

Terms

a(0) =1a(1) =6a(2) =27a(3) =92a(4) =267a(5) =678a(6) =1561a(7) =3312a(8) =6582a(9) =12372a(10) =22194a(11) =38232a(12) =63594a(13) =102564a(14) =160974a(15) =246576a(16) =369567a(17) =543114a(18) =784069a(19) =1113684a(20) =1558557a(21) =2151578a(22) =2933151a(23) =3952416a(24) =5268796a(25) =6953544a(26) =9091668a(27) =11783856a(28) =15148836a(29) =19325736