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A165021 as a simple table

n a(n)
1 0
2 30
3 126
4 201
5 570
6 2550
7 3369
8 3873
9 14565
10 41958
11 54441
12 62625
13 64641
14 171990
15 234405
16 254865
17 873129
18 954261
19 1004193
20 1036929
21 1044993
22 2788950
23 3755685
24 4083345
25 4165185
26 11140950
27 13978281
28 15285909
29 16075425
30 16399953
31 16599681

[0,30,126,201,570,2550,3369,3873,14565,41958,
 54441,62625,64641,171990,234405,254865,873129,
 954261,1004193,1036929,1044993,2788950,3755685,
 4083345,4165185,11140950,13978281,15285909,
 16075425,16399953,16599681]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)