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A037556 as a simple table

n a(n)
1 2
2 15
3 106
4 744
5 5209
6 36464
7 255250
8 1786751
9 12507258
10 87550808
11 612855657
12 4289989600
13 30029927202
14 210209490415
15 1471466432906
16 10300265030344
17 72101855212409
18 504712986486864
19 3532990905408050 

[2,15,106,744,5209,36464,255250,1786751,12507258,
 87550808,612855657,4289989600,30029927202,
 210209490415,1471466432906,10300265030344,
 72101855212409,504712986486864,3532990905408050]

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)