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A026738 as a simple table

n a(n)
0 1
1 28
2 516
3 7952
4 111440
5 1477056
6 18912832
7 236879104
8 2924469504
9 35764112384
10 434623874048
11 5259666886656
12 63472710995968
13 764545789837312
14 9197653087371264
15 110557371200503808
16 1328176959287263232
17 15950056940486000640
18 191496303058077614080

[1,28,516,7952,111440,1477056,18912832,236879104,
 2924469504,35764112384,434623874048,5259666886656,
 63472710995968,764545789837312,9197653087371264,
 110557371200503808,1328176959287263232,
 15950056940486000640,191496303058077614080]

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Last modified August 18 04:47 EDT 2022. Contains 356204 sequences. (Running on oeis4.)