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A075211 as a simple table

n a(n)
1 1
2 1
3 3
4 7
5 21
6 75
7 256
8 929
9 3090
10 9235
11 21216
12 80463
13 138623
14 423595
15 1160355
16 2456117
17 4272856
18 15986299
19 21709209
20 75452662
21 156068738 

[1,1,3,7,21,75,256,929,3090,9235,21216,80463,
 138623,423595,1160355,2456117,4272856,15986299,
 21709209,75452662,156068738]

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Last modified April 25 11:37 EDT 2024. Contains 371968 sequences. (Running on oeis4.)