A108925 - OEIS

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A108925 as a simple table

n	a(n)
0	0
1	1
2	2
3	4
4	6
5	10
6	15
7	23
8	36
9	55
10	83
11	126
12	190
13	287
14	432
15	650
16	978
17	1470
18	2207
19	3315
20	4976
21	7469
22	11208
23	16817
24	25232
25	37855
26	56791
27	85196
28	127804
29	191717
30	287588
31	431397
32	647111

[0,1,2,4,6,10,15,23,36,55,83,126,190,287,432,650, 978,1470,2207,3315,4976,7469,11208,16817,25232, 37855,56791,85196,127804,191717,287588,431397, 647111]