|
| |
|
| A253263型 |
| m^n分解为5个因子的次数，其中m是5个不同素数的乘积，每个因子是n个素数的积（以重数计算）。 |
|
2
|
|
|
|
1, 1, 73, 1417, 19834, 190131, 1398547, 8246011, 40837569, 174901563, 664006236, 2274999093, 7139338769, 20758868781, 56466073587, 144806582536, 352420554194, 818441723112, 1822255658908, 3905392549491, 8084697432576, 16214886608495, 31590986308810, 59926495673780
(列表;图表;参考;听;历史;文本;内部格式)
|
|
|
|
抵消
|
0,3
|
|
|
链接
|
|
|
|
例子
|
a（2）=73：（2*3*5*7*11）^2 = 5336100 = 25*22*22*21*21 = 33*25*22*21*14 = 33*33*25*14*14 = 35*22*22*21*15 = 35*33*22*15*14 = 35*33*22*21*10 = 35*33*33*14*10 = 35*35*22*22*9 = 35*35*33*22*6 = 35*35*33*33*4 = 49*22*22*15*15 = 49*25*22*22*9 = 49*33*22*15*10 = 49*33*25*22*6 = 49*33*33*10*10 = 49*33*33*25*4 = 55*22*21*15*14 = 55*22*21*21*10 = 55*33*15*14*14 = 55*33*21*14*10 = 55*35*22*14*9 = 55*35*22*21*6 = 55*35*33*14*6 = 55*35*33*21*4 = 55*49*22*10*9 = 55*49*22*15*6 = 55*49*33*10*6 = 55*49*33*15*4 = 55*55*14*14*9 = 55*55*21*14*6 = 55*55*21*21*4 = 55*55*49*6*6 = 55*55*49*9*4 = 77*22*15*15*14 = 77*22*21*15*10 = 77*25*22*14*9 = 77*25*22*21*6 = 77*33*15*14*10 = 77*33*21*10*10 = 77*33*25*14*6 = 77*33*25*21*4 = 77*35*22*10*9 = 77*35*22*15*6 = 77*35*33*10*6 = 77*35*33*15*4 = 77*55*14*10*9 = 77*55*15*14*6 = 77*55*21*10*6 = 77*55*21*15*4 = 77*55*35*6*6 = 77*55*35*9*4 = 77*77*10*10*9 = 77*77*15*10*6 = 77*77*15*15*4 = 77*77*25*6*6 = 77*77*25*9*4 = 121*15*15*14*14 = 121*21*15*14*10 = 121*21*21*10*10 = 121*25*14*14*9 = 121*25*21*14*6 = 121*25*21*21*4 = 121*35*14*10*9 = 121*35*15*14*6 = 121*35*21*10*6 = 121*35*21*15*4 = 121*35*35*6*6 = 121*35*35*9*4 = 121*49*10*10*9 = 121*49*15*10*6 = 121*49*15*15*4 = 121*49*25*6*6 = 121*49*25*9*4.
|
|
|
交叉参考
|
|
|
|
关键词
|
非n
|
|
|
作者
|
|
|
|
状态
|
经核准的
|
| |
|
|
