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A228316 as a simple table

n a(n)
1 0
2 10
3 72
4 448
5 1450
6 4482
7 10388
8 23552
9 45360
10 86250
11 147620
12 250560
13 395122
14 619458
15 919800
16 1359872
17 1928208
18 2725002
19 3725520
20 5080000
21 6742890
22 8931010
23 11568172
24 14957568
25 18980000
26 24048362
27 29985228
28 37340352
29 45859730
30 56261250

[0,10,72,448,1450,4482,10388,23552,45360,86250,
 147620,250560,395122,619458,919800,1359872,
 1928208,2725002,3725520,5080000,6742890,8931010,
 11568172,14957568,18980000,24048362,29985228,
 37340352,45859730,56261250]

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Last modified August 28 15:13 EDT 2024. Contains 375507 sequences. (Running on oeis4.)