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A166229 as a simple table

na(n)
01
12
28
336
4176
5912
64928
727472
8156864
9912832
105394176
1132282240
12195264000
131191825920
147331457024
1545406194944
16282896763904
171771868302336
1811150040870912
1970461597988864
20446971590516736
212845144452292608

[1,2,8,36,176,912,4928,27472,156864,912832,
 5394176,32282240,195264000,1191825920,7331457024,
 45406194944,282896763904,1771868302336,
 11150040870912,70461597988864,446971590516736,
 2845144452292608]