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A216393 as a simple table

n a(n)
1 0
2 0
3 1
4 1
5 2
6 2
7 2
8 2
9 4
10 5
11 6
12 8
13 13
14 17
15 32
16 47
17 63
18 98
19 189
20 279
21 437
22 782
23 1368
24 2062
25 3611
26 6311
27 9674

[0,0,1,1,2,2,2,2,4,5,6,8,13,17,32,47,63,98,189,
 279,437,782,1368,2062,3611,6311,9674]

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Last modified September 22 22:24 EDT 2020. Contains 337291 sequences. (Running on oeis4.)