A188252 - OEIS

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A188252 as a simple table

n	a(n)
1	0
2	300
3	1632
4	7092
5	16484
6	43440
7	75080
8	142532
9	232432
10	380244
11	525668
12	841504
13	1099064
14	1531092
15	2070976
16	2785252
17	3396316
18	4539424
19	5414024
20	6981628
21	8554708
22	10387240
23	11982424
24	15101088
25	17498972

[0,300,1632,7092,16484,43440,75080,142532,232432, 380244,525668,841504,1099064,1531092,2070976, 2785252,3396316,4539424,5414024,6981628,8554708, 10387240,11982424,15101088,17498972]