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A355357 as a simple table

n a(n)
0 1
1 1
2 1
3 4
4 7
5 20
6 43
7 110
8 262
9 674
10 1684
11 4397
12 11320
13 29938
14 78641
15 210044
16 559724
17 1507563
18 4060585
19 11016027
20 29919220
21 81673846
22 223307300
23 612851316
24 1684816018
25 4645243490
26 12829177587
27 35513736868
28 98465916370
29 273531234027
30 760966444416

[1,1,1,4,7,20,43,110,262,674,1684,4397,11320,
 29938,78641,210044,559724,1507563,4060585,
 11016027,29919220,81673846,223307300,612851316,
 1684816018,4645243490,12829177587,35513736868,
 98465916370,273531234027,760966444416]

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Last modified May 16 10:52 EDT 2024. Contains 372552 sequences. (Running on oeis4.)