A010368 - OEIS

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A010368 as a simple table

n	a(n)
0	1
1	16
2	352
3	3376
4	19648
5	82256
6	273440
7	767600
8	1894784
9	4228752
10	8703712
11	16763824
12	30549568
13	53125072
14	88750496
15	143203568
16	224154368
17	341597456
18	508345440
19	740588080
20	1058521024
21	1487048272

[1,16,352,3376,19648,82256,273440,767600,1894784, 4228752,8703712,16763824,30549568,53125072, 88750496,143203568,224154368,341597456,508345440, 740588080,1058521024,1487048272]