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A227418 as a simple table

n a(n)
0 0
1 1
2 1
3 0
4 2
5 4
6 3
7 3
8 7
9 15
10 0
11 6
12 12
13 26
14 56
15 9
16 9
17 21
18 45
19 97
20 209
21 0
22 18
23 36
24 78
25 168
26 362
27 780
28 27
29 27
30 63
31 135
32 291
33 627
34 1351
35 2911
36 0
37 54
38 108
39 234
40 504
41 1086
42 2340
43 5042
44 10864
45 81
46 81
47 189
48 405
49 873
50 1881
51 4053
52 8733
53 18817
54 40545

[0,1,1,0,2,4,3,3,7,15,0,6,12,26,56,9,9,21,45,97,
 209,0,18,36,78,168,362,780,27,27,63,135,291,627,
 1351,2911,0,54,108,234,504,1086,2340,5042,10864,
 81,81,189,405,873,1881,4053,8733,18817,40545]

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)