a(n)是奇双因子q模拟的中心项,其中q(三角形)的系数A128080号)开始:
n=0:(1);
n=1:(1);
n=2:1,(1),1;
n=3:1,2,3,(3),3,2,1;
n=4:1,3,6,9,12,14,(15),14,12,9,6,3,1;
n=5:1,4,10,19,31,45,60,74,86,94,(97),94,86,74,60,45,31,19,10,4,1;
n=6:1,5,15,34,65110170244330424521614696760801,(815),。。。;
括号中的术语是该序列的初始术语。