多项式p(n,x)的开头是:
p(1,x)=1;
p(2,x)=1+2*x;
p(3,x)=1+10*x+9*x^2;
p(4,x)=1+32*x+113*x^2+64*x^3;
p(5,x)=1+86*x+786*x^2+1526*x*^3+625*x^4;
p(6,x)=1+212*x+4182*x^2+18932*x^3+24337*x^4+7776*x^5;
三角形T(n,k)的开头为:
1;
1, 2;
1, 10, 9;
1, 32, 113, 64;
1, 86, 786, 1526, 625;
1, 212, 4182, 18932, 24337, 7776;
1, 498, 19167, 170332, 477807, 450066, 117649;
1, 1136, 80103, 1266400, 6584615, 12910704, 9492289, 2097152;