A215245 - OEIS

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A215245 as a simple table

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	6
6	9
7	13
8	20
9	29
10	42
11	65
12	95
13	136
14	212
15	308
16	444
17	687
18	1005
19	1439
20	2242
21	3257
22	4696
23	7266
24	10629
25	15219

[1,1,2,3,4,6,9,13,20,29,42,65,95,136,212,308,444, 687,1005,1439,2242,3257,4696,7266,10629,15219]