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A171360 as a simple table

n a(n)
1 0
2 3
3 1199
4 62325
5 787715
6 5618555
7 25916198
8 97813140
9 301112167
10 819634842
11 1998446413
12 4516545383
13 9434578601
14 18751556647
15 35316005556
16 63799458547
17 110998185424
18 187305554285
19 306223868165
20 488948073586
21 761311432412

[0,3,1199,62325,787715,5618555,25916198,97813140,
 301112167,819634842,1998446413,4516545383,
 9434578601,18751556647,35316005556,63799458547,
 110998185424,187305554285,306223868165,
 488948073586,761311432412]

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Last modified November 30 22:59 EST 2021. Contains 349426 sequences. (Running on oeis4.)