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A057507
as a simple table
n
a(n)
0
1
1
1
2
1
3
2
4
3
5
10
6
18
7
46
8
95
9
236
10
528
11
1288
12
2936
13
6984
14
16212
15
38528
16
90717
17
216648
18
516358
19
1240818
20
2979992
[1,1,1,2,3,10,18,46,95,236,528,1288,2936,6984, 16212,38528,90717,216648,516358,1240818,2979992]
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Last modified June 8 22:25 EDT 2024. Contains 373227 sequences. (Running on oeis4.)