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A281817 as a simple table

n a(n)
0 0
1 1
2 1
3 4
4 19
5 116
6 871
7 7764
8 80179
9 941812
10 12403711
11 181056404
12 2901669739
13 50656307508
14 956922611191
15 19449063226324
16 423206168046499
17 9816562636678004
18 241805428075379311
19 6303793707327637524
20 173401707643671303259

[0,1,1,4,19,116,871,7764,80179,941812,12403711,
 181056404,2901669739,50656307508,956922611191,
 19449063226324,423206168046499,9816562636678004,
 241805428075379311,6303793707327637524,
 173401707643671303259]

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Last modified April 19 12:06 EDT 2024. Contains 371792 sequences. (Running on oeis4.)