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A187468 as a simple table

n a(n)
1 1
2 2
3 4
4 40
5 208
6 928
7 3904
8 16000
9 64768
10 260608
11 1045504
12 4188160
13 16764928
14 67084288
15 268386304
16 1073643520
17 4294770688
18 17179475968
19 68718690304
20 274876334080
21 1099508482048
22 4398040219648
23 17592173461504
24 70368719011840
25 281474926379008

[1,2,4,40,208,928,3904,16000,64768,260608,1045504,
 4188160,16764928,67084288,268386304,1073643520,
 4294770688,17179475968,68718690304,274876334080,
 1099508482048,4398040219648,17592173461504,
 70368719011840,281474926379008]

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Last modified March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)