A377657 - OEIS

A377657 as a simple table

n	a(n)
0	1
1	0
2	2
3	0
4	3
5	3
6	0
7	9
8	10
9	4
10	0
11	27
12	90
13	21
14	5
15	0
16	81
17	850
18	371
19	36
20	6
21	0
22	243
23	8050
24	7077
25	1044
26	55
27	7
28	0
29	729
30	76250
31	135779
32	33300
33	2365
34	78
35	8
36	0
37	2187
38	722250
39	2606261
40	1070244
41	113311
42	4654
43	105
44	9
45	0
46	6561
47	6841250
48	50028755
49	34420356
50	5476405
51	312390
52	8295
53	136
54	10

[1,0,2,0,3,3,0,9,10,4,0,27,90,21,5,0,81,850,371, 36,6,0,243,8050,7077,1044,55,7,0,729,76250,135779, 33300,2365,78,8,0,2187,722250,2606261,1070244, 113311,4654,105,9,0,6561,6841250,50028755, 34420356,5476405,312390,8295,136,10]