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A274312
as a simple table
n
a(n)
1
1
2
1
3
1
4
2
5
2
6
3
7
4
8
6
9
7
10
10
11
13
12
18
13
23
14
31
15
40
16
54
17
69
18
91
19
118
20
155
21
199
22
260
23
334
24
433
[1,1,1,2,2,3,4,6,7,10,13,18,23,31,40,54,69,91,118, 155,199,260,334,433]