A078015 - OEIS

A078015 as a simple table

n	a(n)
0	1
1	0
2	-1
3	1
4	2
5	-1
6	-1
7	4
8	3
9	-3
10	2
11	11
12	3
13	-4
14	15
15	25
16	2
17	7
18	55
19	52
20	11
21	69
22	162
23	115
24	91
25	300
26	439
27	321
28	482
29	1039
30	1199
31	1124
32	2003
33	3277
34	3522
35	4251
36	7283
37	10076
38	11295
39	15785
40	24642
41	31447
42	38375
43	56212
44	80731
45	101269
46	132962
47	193155
48	262731
49	335500
50	459079
51	649041

[1,0,-1,1,2,-1,-1,4,3,-3,2,11,3,-4,15,25,2,7,55, 52,11,69,162,115,91,300,439,321,482,1039,1199, 1124,2003,3277,3522,4251,7283,10076,11295,15785, 24642,31447,38375,56212,80731,101269,132962, 193155,262731,335500,459079,649041]