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A052471 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 1
8 3
9 11
10 34
11 99
12 279
13 773
14 2103
15 5661
16 15160
17 40373
18 107355
19 285059
20 757273
21 2013177
22 5361100
23 14303274
24 38250297
25 102538714
26 275597098
27 742674804
28 2006661720
29 5436008057
30 14763754746
31 40196603110
32 109703958381
33 300091975184
34 822705857129

[0,0,0,0,0,0,1,3,11,34,99,279,773,2103,5661,15160,
 40373,107355,285059,757273,2013177,5361100,
 14303274,38250297,102538714,275597098,742674804,
 2006661720,5436008057,14763754746,40196603110,
 109703958381,300091975184,822705857129]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)