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A321416 as a simple table

n a(n)
0 1
1 0
2 5
3 0
4 15
5 2
6 35
7 10
8 70
9 30
10 128
11 70
12 220
13 140
14 360
15 254
16 565
17 430
18 855
19 690
20 1255
21 1060
22 1795
23 1570
24 2510
25 2256
26 3440
27 3160
28 4630
29 4330
30 6132
31 5820
32 8005
33 7690
34 10315
35 10008
36 13135
37 12850
38 16545
39 16300
40 20634
41 20450
42 25500
43 25400
44 31250
45 31260

[1,0,5,0,15,2,35,10,70,30,128,70,220,140,360,254,
 565,430,855,690,1255,1060,1795,1570,2510,2256,
 3440,3160,4630,4330,6132,5820,8005,7690,10315,
 10008,13135,12850,16545,16300,20634,20450,25500,
 25400,31250,31260]

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Last modified April 14 09:03 EDT 2021. Contains 342946 sequences. (Running on oeis4.)