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A013168 as a simple table

n a(n)
0 1
1 2
2 4
3 9
4 24
5 97
6 534
7 3647
8 27272
9 232345
10 2170874
11 22882827
12 260563908
13 3272680621
14 43811275382
15 637916495327
16 9816624434928
17 162606798592913
18 2827858695802930
19 52505736635681875
20 1018209224687676028

[1,2,4,9,24,97,534,3647,27272,232345,2170874,
 22882827,260563908,3272680621,43811275382,
 637916495327,9816624434928,162606798592913,
 2827858695802930,52505736635681875,
 1018209224687676028]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)