A338033 - OEIS

A338033 as a simple table

n	a(n)
1	0
2	0
3	1
4	0
5	3
6	9
7	0
8	7
9	21
10	49
11	0
12	12
13	36
14	84
15	144
16	0
17	20
18	60
19	140
20	240
21	400
22	0
23	30
24	90
25	210
26	360
27	600
28	900
29	0
30	44
31	132
32	308
33	528
34	880
35	1320
36	1936
37	0
38	65
39	195
40	455
41	780
42	1300
43	1950
44	2860
45	4225
46	0
47	91
48	273
49	637
50	1092
51	1820
52	2730
53	4004
54	5915
55	8281

[0,0,1,0,3,9,0,7,21,49,0,12,36,84,144,0,20,60,140, 240,400,0,30,90,210,360,600,900,0,44,132,308,528, 880,1320,1936,0,65,195,455,780,1300,1950,2860, 4225,0,91,273,637,1092,1820,2730,4004,5915,8281]