显示1-1个结果(共1个)。
第页1
1, 0, 1, 0, 1, 3, 0, 2, 15, 15, 0, 6, 91, 210, 105, 0, 6, 690, 2835, 3150, 945, 0, 30, 5214, 42405, 79695, 51975, 10395, 0, 20, 44772, 666666, 2057055, 2207205, 945945, 135135, 0, 140, 384756, 11274900, 54879825, 90090000, 62432370, 18918900, 2027025
配方奶粉
应用于充气摆动阶乘列表Z的部分Bell多项式Y_{2*n,k}(Z)(A056040型).
例子
三角形开始:
[0] 1;
[1] 0, 1;
[2] 0, 1, 3;
[3] 0, 2, 15, 15;
[4] 0, 6, 91, 210, 105;
[5] 0, 6, 690, 2835, 3150, 945;
[6] 0, 30, 5214, 42405, 79695, 51975, 10395;
[7] 0, 20, 44772, 666666, 2057055, 2207205, 945945, 135135;
数学
摆动[n_]:=n!/地板[n/2]^2;
Z[n_]:=压扁[表{0,摆动[j]},{j,0,n}]];
T[n_,k_]:=腹部[2n,k,Z[n-k]];
表[T[n,k],{n,0,8},{k,0,n}]//展平
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