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A034438 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 0
11 0
12 0
13 0
14 0
15 0
16 0
17 0
18 0
19 0
20 0
21 0
22 1
23 0
24 2
25 2
26 5
27 7
28 17
29 21
30 43
31 63
32 111
33 165
34 283
35 419
36 688
37 1040
38 1651
39 2494
40 3909
41 5887
42 9104
43 13735
44 21026
45 31694
46 48303
47 72780
48 110592
49 166965
50 253636
51 384221
52 585754

[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,2,
 2,5,7,17,21,43,63,111,165,283,419,688,1040,1651,
 2494,3909,5887,9104,13735,21026,31694,48303,72780,
 110592,166965,253636,384221,585754]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)