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A369626 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 21
5 75
6 265
7 925
8 3201
9 11017
10 37793
11 129393
12 442497
13 1512225
14 5165953
15 17643457
16 60250113
17 205729921
18 702452225
19 2398414593
20 8188884993 

[1,1,2,6,21,75,265,925,3201,11017,37793,129393,
 442497,1512225,5165953,17643457,60250113,
 205729921,702452225,2398414593,8188884993]

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Last modified July 31 23:10 EDT 2024. Contains 374809 sequences. (Running on oeis4.)