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A305171 as a simple table

n a(n)
1 0
2 18
3 46
4 410
5 2397
6 13970
7 93426
8 586718
9 3677924
10 23496484
11 148684241
12 941163254
13 5971654744
14 37839850436
15 239798822661
16 1520098487556
17 9634266216810
18 61062460761584
19 387030710270010
20 2453048690073328

[0,18,46,410,2397,13970,93426,586718,3677924,
 23496484,148684241,941163254,5971654744,
 37839850436,239798822661,1520098487556,
 9634266216810,61062460761584,387030710270010,
 2453048690073328]

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Last modified April 18 10:01 EDT 2024. Contains 371779 sequences. (Running on oeis4.)