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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
29 12389106
30 12850662
31 47448984
32 49544820
33 182338754
34 191529007
35 702807040
36 742163178
37 2716205709
38 2882119756

[0,0,1,0,2,2,7,5,26,22,91,79,326,301,1186,1117,
 4352,4212,16119,15849,60174,60089,226146,228426,
 854803,872404,3247207,3342579,12389106,12850662,
 47448984,49544820,182338754,191529007,702807040,
 742163178,2716205709,2882119756]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)