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A300865 as a simple table

n a(n)
1 1
2 0
3 1
4 0
5 1
6 1
7 2
8 2
9 4
10 6
11 10
12 16
13 27
14 46
15 77
16 131
17 224
18 391
19 672
20 1180
21 2050
22 3626
23 6344
24 11276
25 19863
26 35479
27 62828
28 112685
29 200462
30 360627
31 644199
32 1162296
33 2083572
34 3768866
35 6777314
36 12289160
37 22158106
38 40255496
39 72765144
40 132453122
41 239936528
42 437445448

[1,0,1,0,1,1,2,2,4,6,10,16,27,46,77,131,224,391,
 672,1180,2050,3626,6344,11276,19863,35479,62828,
 112685,200462,360627,644199,1162296,2083572,
 3768866,6777314,12289160,22158106,40255496,
 72765144,132453122,239936528,437445448]

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Last modified July 8 04:08 EDT 2024. Contains 374149 sequences. (Running on oeis4.)