A018154 - OEIS

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A018154 as a simple table

n	a(n)
0	1
1	2
2	3
3	5
4	8
5	14
6	24
7	40
8	68
9	116
10	196
11	332
12	563
13	955
14	1619
15	2744
16	4652
17	7886
18	13368
19	22661
20	38416
21	65124
22	110399
23	187150
24	317259
25	537824
26	911729
27	1545580
28	2620095
29	4441632
30	7529536
31	12764206
32	21638115

[1,2,3,5,8,14,24,40,68,116,196,332,563,955,1619, 2744,4652,7886,13368,22661,38416,65124,110399, 187150,317259,537824,911729,1545580,2620095, 4441632,7529536,12764206,21638115]