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A288962 as a simple table

n a(n)
1 0
2 1
3 9
4 60
5 250
6 765
7 1911
8 4144
9 8100
10 14625
11 24805
12 39996
13 61854
14 92365
15 133875
16 189120
17 261256
18 353889
19 471105
20 617500
21 798210
22 1018941
23 1285999
24 1606320
25 1987500
26 2437825
27 2966301
28 3582684
29 4297510
30 5122125
31 6068715
32 7150336
33 8380944
34 9775425
35 11349625
36 13120380
37 15105546
38 17324029
39 19795815
40 22542000

[0,1,9,60,250,765,1911,4144,8100,14625,24805,
 39996,61854,92365,133875,189120,261256,353889,
 471105,617500,798210,1018941,1285999,1606320,
 1987500,2437825,2966301,3582684,4297510,5122125,
 6068715,7150336,8380944,9775425,11349625,13120380,
 15105546,17324029,19795815,22542000]

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Last modified January 25 01:37 EST 2020. Contains 331229 sequences. (Running on oeis4.)