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A109851 as a simple table

n a(n)
1 1
2 2
3 1
4 2
5 4
6 14
7 74
8 494
9 3854
10 34094
11 336494
12 3662894
13 43579694
14 562498094
15 7827355694
16 116800219694
17 1860366043694
18 31500985051694
19 565032127195694
20 10702123827931694
21 213443957842651694
22 4471022472151771694
23 98137749786952411694
24 2252472478027367131694

[1,2,1,2,4,14,74,494,3854,34094,336494,3662894,
 43579694,562498094,7827355694,116800219694,
 1860366043694,31500985051694,565032127195694,
 10702123827931694,213443957842651694,
 4471022472151771694,98137749786952411694,
 2252472478027367131694]

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Last modified November 29 12:24 EST 2021. Contains 349416 sequences. (Running on oeis4.)