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A126323 as a simple table

n a(n)
0 0
1 3
2 2
3 15
4 80
5 399
6 1956
7 9546
8 46552
9 227100
10 1108698
11 5417127
12 26490312
13 129645027
14 634978290
15 3112277265
16 15264984260
17 74919716085
18 367926876630
19 1807912844925
20 8888531467360
21 43722603214365
22 215175747222640

[0,3,2,15,80,399,1956,9546,46552,227100,1108698,
 5417127,26490312,129645027,634978290,3112277265,
 15264984260,74919716085,367926876630,
 1807912844925,8888531467360,43722603214365,
 215175747222640]

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Last modified April 24 09:18 EDT 2024. Contains 371935 sequences. (Running on oeis4.)