A361721 - OEIS

A361721 as a simple table

n	a(n)
0	1
1	2
2	3
3	5
4	8
5	13
6	20
7	31
8	47
9	70
10	103
11	151
12	218
13	313
14	446
15	629
16	883
17	1233
18	1711
19	2362
20	3244
21	4433
22	6034
23	8179
24	11043
25	14852
26	19906
27	26589
28	35400
29	46986
30	62182
31	82057
32	107989
33	141744
34	185583
35	242387
36	315842
37	410627
38	532687
39	689573
40	890837
41	1148567
42	1478020
43	1898430
44	2434006
45	3115202
46	3980232

[1,2,3,5,8,13,20,31,47,70,103,151,218,313,446,629, 883,1233,1711,2362,3244,4433,6034,8179,11043, 14852,19906,26589,35400,46986,62182,82057,107989, 141744,185583,242387,315842,410627,532687,689573, 890837,1148567,1478020,1898430,2434006,3115202, 3980232]