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A093630 as a simple table

n a(n)
0 1
1 2
2 4
3 13
4 39
5 159
6 657
7 3192
8 16935
9 98296
10 631531
11 4320963
12 32517883
13 257323288
14 2216360166
15 19945970812
16 193524780624
17 1952830925615
18 21070751003175
19 235689971665480
20 2800003524200187
21 34386283795145455
22 445955787460382981

[1,2,4,13,39,159,657,3192,16935,98296,631531,
 4320963,32517883,257323288,2216360166,19945970812,
 193524780624,1952830925615,21070751003175,
 235689971665480,2800003524200187,
 34386283795145455,445955787460382981]

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Last modified April 25 07:41 EDT 2024. Contains 371964 sequences. (Running on oeis4.)