A056891 - OEIS

A056891 as a simple table

n	a(n)
1	0
2	1
3	1
4	2
5	3
6	5
7	8
8	11
9	18
10	23
11	35
12	38
13	61
14	69
15	98
16	107
17	148
18	138
19	213
20	226
21	295
22	311
23	396
24	377
25	518
26	539
27	663
28	686
29	833
30	717
31	1030
32	1059
33	1256
34	1289
35	1513
36	1472
37	1803
38	1843
39	2128
40	2171
41	2490
42	2328
43	2891
44	2942
45	3333
46	3389
47	3818
48	3735
49	4348
50	4413
51	4925
52	4994

[0,1,1,2,3,5,8,11,18,23,35,38,61,69,98,107,148, 138,213,226,295,311,396,377,518,539,663,686,833, 717,1030,1059,1256,1289,1513,1472,1803,1843,2128, 2171,2490,2328,2891,2942,3333,3389,3818,3735,4348, 4413,4925,4994]