A279268 - OEIS

A279268 as a simple table

n	a(n)
1	0
2	0
3	0
4	2
5	4
6	2
7	2
8	10
9	10
10	2
11	5
12	20
13	29
14	20
15	5
16	8
17	38
18	86
19	86
20	38
21	8
22	15
23	68
24	240
25	400
26	240
27	68
28	15
29	26
30	120
31	626
32	1592
33	1592
34	626
35	120
36	26
37	46
38	208
39	1603
40	5888
41	9042
42	5888
43	1603
44	208
45	46
46	80
47	358
48	4030
49	21882
50	51568
51	51568
52	21882
53	4030
54	358
55	80
56	139
57	612
58	9973
59	79112

[0,0,0,2,4,2,2,10,10,2,5,20,29,20,5,8,38,86,86,38, 8,15,68,240,400,240,68,15,26,120,626,1592,1592, 626,120,26,46,208,1603,5888,9042,5888,1603,208,46, 80,358,4030,21882,51568,51568,21882,4030,358,80, 139,612,9973,79112]