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A318610 as a simple table

na(n)
10
24
312
424
572
6252
7756
82160
96480
1019764
1159292
12176904
13530712
141595052
154785156
1614346720
1743040160
18129146724
19387440172
201162241784
213486725352
2210460412252
2331381236756
2494143001680
25282429005040
26847289140884
272541867422652
287625595890664
2922876787671992

[0,4,12,24,72,252,756,2160,6480,19764,59292,
 176904,530712,1595052,4785156,14346720,43040160,
 129146724,387440172,1162241784,3486725352,
 10460412252,31381236756,94143001680,282429005040,
 847289140884,2541867422652,7625595890664,
 22876787671992]