A023928 - OEIS

A023928 as a simple table

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	34
9	0
10	0
11	0
12	0
13	0
14	0
15	272
16	0
17	272
18	0
19	0
20	0
21	1360
22	0
23	0
24	0
25	4080
26	4760
27	0
28	0
29	0
30	12376
31	0
32	19074
33	24752
34	14280
35	38896
36	48620
37	0
38	62424
39	0
40	0
41	0
42	124304
43	152592
44	0
45	0
46	0
47	291312
48	0
49	379440
50	450840
51	251600
52	586092
53	661232
54	0
55	873936
56	0
57	0

[1,0,0,0,0,0,0,0,34,0,0,0,0,0,0,272,0,272,0,0,0, 1360,0,0,0,4080,4760,0,0,0,12376,0,19074,24752, 14280,38896,48620,0,62424,0,0,0,124304,152592,0,0, 0,291312,0,379440,450840,251600,586092,661232,0, 873936,0,0]