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A047189 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 10
9 15
10 60
11 84
12 210
13 280
14 630
15 846
16 2142
17 3045
18 8400
19 12320
20 32802
21 48048
22 121110
23 176670
24 437580
25 642642
26 1608607
27 2391895
28 6034600
29 9050470
30 22712326
31 34185606
32 84996158
33 128251383
34 317302008

[0,0,0,0,0,0,0,10,15,60,84,210,280,630,846,2142,
 3045,8400,12320,32802,48048,121110,176670,437580,
 642642,1608607,2391895,6034600,9050470,22712326,
 34185606,84996158,128251383,317302008]

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Last modified April 18 11:02 EDT 2024. Contains 371779 sequences. (Running on oeis4.)