A317161 - cp's OEIS frontend

A317161 Let b(1) = b(2) = 1; for n >= 3, b(n) = n - b(t(n)) - b(n-t(n)) where t = A005185. a(n) = 2*b(n) - n.

n	a(n)
1	1
2	0
3	-1
4	0
5	1
6	0
7	-1
8	0
9	1
10	0
11	-1
12	0
13	-1
14	0
15	-1
16	0
17	1
18	2
19	1
20	0
21	-1
22	0
23	1
24	0
25	1
26	0
27	1
28	0
29	1
30	0
31	1
32	0
33	-1
34	0
35	1
36	-2
37	-1
38	0
39	-1
40	-2
41	-3
42	-2
43	-1
44	0
45	1
46	0
47	-1
48	0
49	-1
50	-2
51	1
52	0
53	-1
54	0
55	-1
56	0
57	-1
58	0
59	-1
60	0
61	-1
62	0
63	1
64	0
65	-1
66	0
67	-1
68	0
69	1
70	2
71	1
72	0
73	3
74	0
75	1
76	2
77	1
78	2
79	3
80	2
81	1
82	2
83	3
84	0
85	3
86	2
87	3
88	4
89	1
90	2
91	1
92	0
93	-1
94	0
95	1
96	0
97	3
98	0
99	-1

[1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, -1, 0, -1, 0, 1, 2, 1, 0, -1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, -1, 0, 1, -2, -1, 0, -1, -2, -3, -2, -1, 0, 1, 0, -1, 0, -1, -2, 1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, 1, 0, -1, 0, -1, 0, 1, 2, 1, 0, 3, 0, 1, 2, 1, 2, 3, 2, 1, 2, 3, 0, 3, 2, 3, 4, 1, 2, 1, 0, -1, 0, 1, 0, 3, 0, -1]

cp's OEIS Frontend

A317161 Let b(1) = b(2) = 1; for n >= 3, b(n) = n - b(t(n)) - b(n-t(n)) where t = A005185. a(n) = 2*b(n) - n.

Table of values

List of values

n	a(n)
1	1
2	0
3	-1
4	0
5	1
6	0
7	-1
8	0
9	1
10	0
11	-1
12	0
13	-1
14	0
15	-1
16	0
17	1
18	2
19	1
20	0
21	-1
22	0
23	1
24	0
25	1
26	0
27	1
28	0
29	1
30	0
31	1
32	0
33	-1
34	0
35	1
36	-2
37	-1
38	0
39	-1
40	-2
41	-3
42	-2
43	-1
44	0
45	1
46	0
47	-1
48	0
49	-1
50	-2
51	1
52	0
53	-1
54	0
55	-1
56	0
57	-1
58	0
59	-1
60	0
61	-1
62	0
63	1
64	0
65	-1
66	0
67	-1
68	0
69	1
70	2
71	1
72	0
73	3
74	0
75	1
76	2
77	1
78	2
79	3
80	2
81	1
82	2
83	3
84	0
85	3
86	2
87	3
88	4
89	1
90	2
91	1
92	0
93	-1
94	0
95	1
96	0
97	3
98	0
99	-1

n	a(n)
1	1
2	0
3	-1
4	0
5	1
6	0
7	-1
8	0
9	1
10	0
11	-1
12	0
13	-1
14	0
15	-1
16	0
17	1
18	2
19	1
20	0
21	-1
22	0
23	1
24	0
25	1
26	0
27	1
28	0
29	1
30	0
31	1
32	0
33	-1
34	0
35	1
36	-2
37	-1
38	0
39	-1
40	-2
41	-3
42	-2
43	-1
44	0
45	1
46	0
47	-1
48	0
49	-1
50	-2
51	1
52	0
53	-1
54	0
55	-1
56	0
57	-1
58	0
59	-1
60	0
61	-1
62	0
63	1
64	0
65	-1
66	0
67	-1
68	0
69	1
70	2
71	1
72	0
73	3
74	0
75	1
76	2
77	1
78	2
79	3
80	2
81	1
82	2
83	3
84	0
85	3
86	2
87	3
88	4
89	1
90	2
91	1
92	0
93	-1
94	0
95	1
96	0
97	3
98	0
99	-1

n	a(n)
1	1
2	0
3	-1
4	0
5	1
6	0
7	-1
8	0
9	1
10	0
11	-1
12	0
13	-1
14	0
15	-1
16	0
17	1
18	2
19	1
20	0
21	-1
22	0
23	1
24	0
25	1
26	0
27	1
28	0
29	1
30	0
31	1
32	0
33	-1
34	0
35	1
36	-2
37	-1
38	0
39	-1
40	-2
41	-3
42	-2
43	-1
44	0
45	1
46	0
47	-1
48	0
49	-1
50	-2
51	1
52	0
53	-1
54	0
55	-1
56	0
57	-1
58	0
59	-1
60	0
61	-1
62	0
63	1
64	0
65	-1
66	0
67	-1
68	0
69	1
70	2
71	1
72	0
73	3
74	0
75	1
76	2
77	1
78	2
79	3
80	2
81	1
82	2
83	3
84	0
85	3
86	2
87	3
88	4
89	1
90	2
91	1
92	0
93	-1
94	0
95	1
96	0
97	3
98	0
99	-1