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A045768 as a simple table

n a(n)
1 1
2 20
3 104
4 464
5 650
6 1952
7 130304
8 522752
9 8382464
10 134193152
11 549754241024
12 8796086730752
13 140737463189504

[1,20,104,464,650,1952,130304,522752,8382464,
 134193152,549754241024,8796086730752,
 140737463189504]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)