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A271852 as a simple table

n a(n)
1 0
2 1
3 2
4 1
5 2
6 2
7 1
8 2
9 8
10 42
11 1
12 3
13 14
14 124
15 580
16 1
17 3
18 22
19 208
20 2782
21 31892
22 1
23 3
24 22
25 304
26 6580
27 168566
28 3193380
29 1
30 3
31 22
32 384
33 11246
34 471344
35 21337480
36 800156720
37 1
38 3
39 23
40 408
41 15536
42 932092
43 72638356
44 6300361544
45 442390366776
46 1
47 3
48 23
49 426
50 18860

[0,1,2,1,2,2,1,2,8,42,1,3,14,124,580,1,3,22,208,
 2782,31892,1,3,22,304,6580,168566,3193380,1,3,22,
 384,11246,471344,21337480,800156720,1,3,23,408,
 15536,932092,72638356,6300361544,442390366776,1,3,
 23,426,18860]

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Last modified July 2 22:31 EDT 2024. Contains 373960 sequences. (Running on oeis4.)