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A131529 as a simple table

n a(n)
1 1
2 2
3 4
4 12
5 44
6 176
7 788
8 3936
9 23264
10 152112
11 1104876
12 8725320
13 74715908
14 687915040
15 6782261964
16 71294227456
17 796138700016
18 9409401651840
19 117378774461812 

[1,2,4,12,44,176,788,3936,23264,152112,1104876,
 8725320,74715908,687915040,6782261964,71294227456,
 796138700016,9409401651840,117378774461812]

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Last modified April 23 15:04 EDT 2024. Contains 371914 sequences. (Running on oeis4.)