A099562 - OEIS

A099562 as a simple table

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	1
6	1
7	1
8	1
9	1
10	3
11	4
12	5
13	6
14	7
15	11
16	15
17	20
18	26
19	33
20	45
21	60
22	80
23	106
24	139
25	185
26	245
27	325
28	431
29	570
30	756
31	1001
32	1326
33	1757
34	2327
35	3084
36	4085
37	5411
38	7168
39	9495
40	12580
41	16665
42	22076
43	29244
44	38739
45	51320
46	67985
47	90061
48	119305
49	158044
50	209365

[0,0,0,0,0,1,1,1,1,1,3,4,5,6,7,11,15,20,26,33,45, 60,80,106,139,185,245,325,431,570,756,1001,1326, 1757,2327,3084,4085,5411,7168,9495,12580,16665, 22076,29244,38739,51320,67985,90061,119305,158044, 209365]