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A037678 as a simple table

na(n)
11
28
366
4531
54249
633992
7271938
82175507
917404057
10139232456
111113859650
128910877203
1371287017625
14570296141000
154562369128002
1636498953024019
17291991624192153
182335932993537224
1918687463948297794
20149499711586382355
211195997692691058841

[1,8,66,531,4249,33992,271938,2175507,17404057,
 139232456,1113859650,8910877203,71287017625,
 570296141000,4562369128002,36498953024019,
 291991624192153,2335932993537224,
 18687463948297794,149499711586382355,
 1195997692691058841]