%I #5 May 10 2013 12:44:15

%S 1,10,92,738,5053,29930,155904,725560,3061223,11854073,42564874,

%T 142944110,452197071,1355697097,3871729568,10579613832,27765888553,

%U 70221521921,171635652958,406476831574,934849110107,2092203571359

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

%F G.f.: (x^24 + 28*x^23 + 148*x^22 + 518*x^21 + 1862*x^20 + 5096*x^19 + 11172*x^18 + 21813*x^17 + 37333*x^16 + 53936*x^15 + 68880*x^14 + 79114*x^13 + 79184*x^12 + 68880*x^11 + 53992*x^10 + 37277*x^9 + 21813*x^8 + 11144*x^7 + 5124*x^6 + 1862*x^5 + 526*x^4 + 140*x^3 + 28*x^2 + 1)/((1 - x^3)^8*(1 - x^2)^9*(1 - x)^10).

%Y Cf. A002727.

%K nonn

%O 0,2

%A _Vladeta Jovovic_, Feb 04 2000