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A309658 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 1
11 2
12 5
13 8
14 15
15 24
16 39
17 58
18 90
19 120
20 170
21 228
22 310
23 404
24 537
25 684
26 886
27 1116
28 1415
29 1756
30 2198
31 2690
32 3315
33 4022
34 4895
35 5876
36 7083
37 8426
38 10056
39 11880
40 14055
41 16484
42 19366
43 22560
44 26317
45 30488
46 35340
47 40712
48 46932
49 53788
50 61674

[0,0,0,0,0,0,0,0,0,0,1,2,5,8,15,24,39,58,90,120,
 170,228,310,404,537,684,886,1116,1415,1756,2198,
 2690,3315,4022,4895,5876,7083,8426,10056,11880,
 14055,16484,19366,22560,26317,30488,35340,40712,
 46932,53788,61674]

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Last modified May 5 03:37 EDT 2024. Contains 372257 sequences. (Running on oeis4.)