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A006445 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 1
7 0
8 1
9 2
10 1
11 4
12 9
13 12
14 27
15 50
16 99
17 188
18 386
19 740
20 1528
21 3012
22 6192
23 12376
24 25594
25 51628
26 107135
27 218100
28 453895
29 930812
30 1943281
31 4009512
32 8394915
33 17414512

[0,0,0,0,0,1,0,1,2,1,4,9,12,27,50,99,188,386,740,
 1528,3012,6192,12376,25594,51628,107135,218100,
 453895,930812,1943281,4009512,8394915,17414512]

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Last modified May 13 02:36 EDT 2021. Contains 343836 sequences. (Running on oeis4.)