A164455 - OEIS

A164455 as a simple table

n	a(n)
4	13
5	22
6	36
7	56
8	89
9	138
10	212
11	328
12	501
13	766
14	1172
15	1784
16	2721
17	4146
18	6308
19	9608
20	14621
21	22246
22	33860
23	51512
24	78377
25	119258
26	181428
27	276040
28	419973
29	638926
30	972084
31	1478904
32	2249969
33	3423106
34	5207812
35	7923080
36	12054061
37	18338742
38	27900260

[13,22,36,56,89,138,212,328,501,766,1172,1784, 2721,4146,6308,9608,14621,22246,33860,51512,78377, 119258,181428,276040,419973,638926,972084,1478904, 2249969,3423106,5207812,7923080,12054061,18338742, 27900260]