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A060589 as a simple table

n a(n)
0 0
1 2
2 18
3 126
4 810
5 5022
6 30618
7 185166
8 1115370
9 6705342
10 40271418
11 241746606
12 1450833930
13 8706066462
14 52239587418
15 313447090446
16 1880711240490
17 11284353536382
18 67706379498618
19 406239051832686
20 2437436635519050
21 14624626786683102
22 87747781640805018

[0,2,18,126,810,5022,30618,185166,1115370,6705342,
 40271418,241746606,1450833930,8706066462,
 52239587418,313447090446,1880711240490,
 11284353536382,67706379498618,406239051832686,
 2437436635519050,14624626786683102,
 87747781640805018]

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Last modified June 5 04:27 EDT 2024. Contains 373102 sequences. (Running on oeis4.)