A256764 - OEIS

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A256764 as a simple table

n	a(n)
1	352
2	1936
3	9152
4	43264
5	189696
6	831744
7	3502080
8	14745600
9	60702720
10	249892864
11	1015758848
12	4128833536
13	16663379968
14	67251011584
15	270331805696
16	1086664474624
17	4358399852544
18	17480694104064
19	70025528475648

[352,1936,9152,43264,189696,831744,3502080, 14745600,60702720,249892864,1015758848,4128833536, 16663379968,67251011584,270331805696, 1086664474624,4358399852544,17480694104064, 70025528475648]