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A143777 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 4
5 2
6 1
7 13
8 26
9 7
10 1
11 40
12 260
13 280
14 47
15 1
16 121
17 2420
18 8470
19 5687
20 628

[1,1,1,1,4,2,1,13,26,7,1,40,260,280,47,1,121,2420,
 8470,5687,628]

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Last modified June 15 22:19 EDT 2019. Contains 324145 sequences. (Running on oeis4.)