帮忙找一下这串数的规律1236102035701262524629241716343264351287024310486209237818475635271670543213520782704156520030010400600200583004011660077558760155117520麻烦写一下通项公式

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/23 02:13:22
帮忙找一下这串数的规律12361020357012625246292417163432643512870243104862092378184756352716705432135207827041565

帮忙找一下这串数的规律1236102035701262524629241716343264351287024310486209237818475635271670543213520782704156520030010400600200583004011660077558760155117520麻烦写一下通项公式
帮忙找一下这串数的规律
1
2
3
6
10
20
35
70
126
252
462
924
1716
3432
6435
12870
24310
48620
92378
184756
352716
705432
1352078
2704156
5200300
10400600
20058300
40116600
77558760
155117520
麻烦写一下通项公式

帮忙找一下这串数的规律1236102035701262524629241716343264351287024310486209237818475635271670543213520782704156520030010400600200583004011660077558760155117520麻烦写一下通项公式
1*2*3/2*2*5/3*2*7/4*2*9/5...

前面一个数的2倍,前面所有数的和,往复循环