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A158449 as a simple table

n a(n)
1 1
2 0
3 1
4 0
5 2
6 0
7 3
8 1
9 7
10 3
11 17
12 7
13 43
14 24
15 118
16 74
17 330
18 206
19 888
20 612
21 2571
22 1810
23 7274
24 5552
25 21099
26 16334
27 61252
28 49025
29 179239
30 146048
31 523455
32 440980
33 1554184
34 1315927
35 4572794
36 3972193
37 13569220
38 11873290
39 40263681
40 35824869
41 119901609
42 107397585

[1,0,1,0,2,0,3,1,7,3,17,7,43,24,118,74,330,206,
 888,612,2571,1810,7274,5552,21099,16334,61252,
 49025,179239,146048,523455,440980,1554184,1315927,
 4572794,3972193,13569220,11873290,40263681,
 35824869,119901609,107397585]

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Last modified March 28 16:58 EDT 2024. Contains 371254 sequences. (Running on oeis4.)