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A048892 as a simple table

n a(n)
1 1
2 1
3 4
4 9
5 45
6 76
7 270
8 2204
9 3718
10 95499
11 590890
12 16023339
13 16475964
14 1745175039
15 31287652672
16 347321438520
17 2620400333120
18 239919791836864 

[1,1,4,9,45,76,270,2204,3718,95499,590890,
 16023339,16475964,1745175039,31287652672,
 347321438520,2620400333120,239919791836864]

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Last modified August 8 16:21 EDT 2024. Contains 375023 sequences. (Running on oeis4.)