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A251689 as a simple table

n a(n)
0 1
1 4
2 9
3 37
4 40
5 153
6 144
7 468
8 432
9 1260
10 1152
11 3168
12 2880
13 7632
14 6912
15 17856
16 16128
17 40896
18 36864
19 92160
20 82944
21 205056
22 184320
23 451584
24 405504
25 986112
26 884736
27 2138112
28 1916928
29 4608000
30 4128768
31 9879552
32 8847360
33 21086208
34 18874368
35 44826624
36 40108032
37 94961664
38 84934656
39 200540160

[1,4,9,37,40,153,144,468,432,1260,1152,3168,2880,
 7632,6912,17856,16128,40896,36864,92160,82944,
 205056,184320,451584,405504,986112,884736,2138112,
 1916928,4608000,4128768,9879552,8847360,21086208,
 18874368,44826624,40108032,94961664,84934656,
 200540160]

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Last modified July 26 02:06 EDT 2021. Contains 346294 sequences. (Running on oeis4.)