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A006748 as a simple table

n a(n)
1 0
2 0
3 1
4 0
5 2
6 2
7 7
8 5
9 26
10 22
11 91
12 79
13 326
14 301
15 1186
16 1117
17 4352
18 4212
19 16119
20 15849
21 60174
22 60089
23 226146
24 228426
25 854803
26 872404
27 3247207
28 3342579

[0,0,1,0,2,2,7,5,26,22,91,79,326,301,1186,1117,
 4352,4212,16119,15849,60174,60089,226146,228426,
 854803,872404,3247207,3342579]

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Last modified May 17 18:55 EDT 2021. Contains 343987 sequences. (Running on oeis4.)