A327287 - OEIS

A327287 as a simple table

n	a(n)
10	1
11	2
12	5
13	10
14	20
15	40
16	72
17	127
18	217
19	362
20	587
21	954
22	1494
23	2330
24	3562
25	5403
26	8060
27	11954
28	17531
29	25490
30	36733
31	52570
32	74620
33	105273
34	147479
35	205390
36	284516
37	391819
38	536891
39	732028
40	993540
41	1342174
42	1805795
43	2419115
44	3228530
45	4292484
46	5686507
47	7506642
48	9877321

[1,2,5,10,20,40,72,127,217,362,587,954,1494,2330, 3562,5403,8060,11954,17531,25490,36733,52570, 74620,105273,147479,205390,284516,391819,536891, 732028,993540,1342174,1805795,2419115,3228530, 4292484,5686507,7506642,9877321]