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A048066 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 20
9 35
10 105
11 168
12 364
13 588
14 1260
15 2250
16 4960
17 9460
18 20020
19 38500
20 77001
21 148161
22 286689
23 560469
24 1071525
25 2143051
26 4064071
27 8259196
28 15473436
29 31705476
30 58620692
31 120894085
32 221227279
33 459855214

[0,0,0,0,0,0,0,20,35,105,168,364,588,1260,2250,
 4960,9460,20020,38500,77001,148161,286689,560469,
 1071525,2143051,4064071,8259196,15473436,31705476,
 58620692,120894085,221227279,459855214]

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Last modified October 28 20:51 EDT 2020. Contains 338064 sequences. (Running on oeis4.)