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A191501 as a simple table

n a(n)
0 1
1 2
2 4
3 10
4 28
5 96
6 354
7 1372
8 5512
9 22740
10 95768
11 410016
12 1779210
13 7807724
14 34589432
15 154488460
16 694883528
17 3144917888
18 14311109396
19 65439770904
20 300534169744
21 1385612474536
22 6410981989808
23 29757955549888
24 138534010818650
25 646663905140300

[1,2,4,10,28,96,354,1372,5512,22740,95768,410016,
 1779210,7807724,34589432,154488460,694883528,
 3144917888,14311109396,65439770904,300534169744,
 1385612474536,6410981989808,29757955549888,
 138534010818650,646663905140300]

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Last modified August 31 15:16 EDT 2024. Contains 375572 sequences. (Running on oeis4.)