A292255 - cp's OEIS frontend

A292255 a(1) = 0, and for n > 1, a(n) = 2a(A252463(n)) + [n == 1 (mod 2)][J(3|n) == -1], where J is the Jacobi-symbol.

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	3
8	0
9	0
10	2
11	6
12	0
13	12
14	6
15	0
16	0
17	25
18	0
19	51
20	4
21	4
22	12
23	102
24	0
25	0
26	24
27	0
28	12
29	205
30	0
31	411
32	0
33	12
34	50
35	0
36	0
37	822
38	102
39	24
40	8
41	1645
42	8
43	3291
44	24
45	0
46	204
47	6582
48	0
49	0
50	0
51	48
52	48
53	13165
54	0
55	9
56	24
57	100
58	410
59	26330
60	0
61	52660
62	822
63	8
64	0
65	25
66	24
67	105321
68	100
69	204
70	0
71	210642
72	0
73	421284
74	1644
75	0
76	204
77	1
78	48
79	842569
80	16
81	0
82	3290
83	1685138
84	16
85	48
86	6582

[0, 0, 0, 0, 1, 0, 3, 0, 0, 2, 6, 0, 12, 6, 0, 0, 25, 0, 51, 4, 4, 12, 102, 0, 0, 24, 0, 12, 205, 0, 411, 0, 12, 50, 0, 0, 822, 102, 24, 8, 1645, 8, 3291, 24, 0, 204, 6582, 0, 0, 0, 48, 48, 13165, 0, 9, 24, 100, 410, 26330, 0, 52660, 822, 8, 0, 25, 24, 105321, 100, 204, 0, 210642, 0, 421284, 1644, 0, 204, 1, 48, 842569, 16, 0, 3290, 1685138, 16, 48, 6582]

cp's OEIS Frontend

A292255 a(1) = 0, and for n > 1, a(n) = 2a(A252463(n)) + [n == 1 (mod 2)][J(3|n) == -1], where J is the Jacobi-symbol.

Table of values

List of values

cp's OEIS Frontend

A292255 a(1) = 0, and for n > 1, a(n) = 2*a(A252463(n)) + [n == 1 (mod 2)]*[J(3|n) == -1], where J is the Jacobi-symbol.

Table of values

List of values

A292255 a(1) = 0, and for n > 1, a(n) = 2a(A252463(n)) + [n == 1 (mod 2)][J(3|n) == -1], where J is the Jacobi-symbol.