A283468 - cp's OEIS frontend

A283468 a(n) = A004001(A004001(n-1)) - A004001(n-A004001(n-1)), a(1) = a(2) = 1.

n	a(n)
1	1
2	1
3	0
4	0
5	-1
6	0
7	0
8	0
9	-1
10	0
11	1
12	1
13	0
14	0
15	0
16	0
17	-1
18	0
19	1
20	2
21	2
22	1
23	2
24	2
25	1
26	1
27	1
28	0
29	0
30	0
31	0
32	0
33	-1
34	0
35	1
36	2
37	3
38	3
39	2
40	3
41	4
42	4
43	3
44	4
45	4
46	3
47	3
48	3
49	2
50	3
51	3
52	2
53	2
54	2
55	1
56	1
57	1
58	1
59	0
60	0
61	0
62	0
63	0
64	0
65	-1
66	0
67	1
68	2
69	3
70	4
71	4
72	3
73	4
74	5
75	6
76	6
77	5
78	6
79	7
80	7
81	6
82	7
83	7
84	6
85	6
86	6
87	5
88	6
89	7
90	7
91	6
92	7
93	7
94	6
95	6
96	6
97	5
98	6
99	6
100	5
101	5
102	5
103	4
104	4
105	4
106	4
107	3
108	4
109	4
110	3
111	3
112	3
113	2
114	2
115	2
116	2
117	1
118	1
119	1
120	1

[1, 1, 0, 0, -1, 0, 0, 0, -1, 0, 1, 1, 0, 0, 0, 0, -1, 0, 1, 2, 2, 1, 2, 2, 1, 1, 1, 0, 0, 0, 0, 0, -1, 0, 1, 2, 3, 3, 2, 3, 4, 4, 3, 4, 4, 3, 3, 3, 2, 3, 3, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, -1, 0, 1, 2, 3, 4, 4, 3, 4, 5, 6, 6, 5, 6, 7, 7, 6, 7, 7, 6, 6, 6, 5, 6, 7, 7, 6, 7, 7, 6, 6, 6, 5, 6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1]

cp's OEIS Frontend

A283468 a(n) = A004001(A004001(n-1)) - A004001(n-A004001(n-1)), a(1) = a(2) = 1.

Table of values

List of values

n	a(n)
1	1
2	1
3	0
4	0
5	-1
6	0
7	0
8	0
9	-1
10	0
11	1
12	1
13	0
14	0
15	0
16	0
17	-1
18	0
19	1
20	2
21	2
22	1
23	2
24	2
25	1
26	1
27	1
28	0
29	0
30	0
31	0
32	0
33	-1
34	0
35	1
36	2
37	3
38	3
39	2
40	3
41	4
42	4
43	3
44	4
45	4
46	3
47	3
48	3
49	2
50	3
51	3
52	2
53	2
54	2
55	1
56	1
57	1
58	1
59	0
60	0
61	0
62	0
63	0
64	0
65	-1
66	0
67	1
68	2
69	3
70	4
71	4
72	3
73	4
74	5
75	6
76	6
77	5
78	6
79	7
80	7
81	6
82	7
83	7
84	6
85	6
86	6
87	5
88	6
89	7
90	7
91	6
92	7
93	7
94	6
95	6
96	6
97	5
98	6
99	6
100	5
101	5
102	5
103	4
104	4
105	4
106	4
107	3
108	4
109	4
110	3
111	3
112	3
113	2
114	2
115	2
116	2
117	1
118	1
119	1
120	1

n	a(n)
1	1
2	1
3	0
4	0
5	-1
6	0
7	0
8	0
9	-1
10	0
11	1
12	1
13	0
14	0
15	0
16	0
17	-1
18	0
19	1
20	2
21	2
22	1
23	2
24	2
25	1
26	1
27	1
28	0
29	0
30	0
31	0
32	0
33	-1
34	0
35	1
36	2
37	3
38	3
39	2
40	3
41	4
42	4
43	3
44	4
45	4
46	3
47	3
48	3
49	2
50	3
51	3
52	2
53	2
54	2
55	1
56	1
57	1
58	1
59	0
60	0
61	0
62	0
63	0
64	0
65	-1
66	0
67	1
68	2
69	3
70	4
71	4
72	3
73	4
74	5
75	6
76	6
77	5
78	6
79	7
80	7
81	6
82	7
83	7
84	6
85	6
86	6
87	5
88	6
89	7
90	7
91	6
92	7
93	7
94	6
95	6
96	6
97	5
98	6
99	6
100	5
101	5
102	5
103	4
104	4
105	4
106	4
107	3
108	4
109	4
110	3
111	3
112	3
113	2
114	2
115	2
116	2
117	1
118	1
119	1
120	1

n	a(n)
1	1
2	1
3	0
4	0
5	-1
6	0
7	0
8	0
9	-1
10	0
11	1
12	1
13	0
14	0
15	0
16	0
17	-1
18	0
19	1
20	2
21	2
22	1
23	2
24	2
25	1
26	1
27	1
28	0
29	0
30	0
31	0
32	0
33	-1
34	0
35	1
36	2
37	3
38	3
39	2
40	3
41	4
42	4
43	3
44	4
45	4
46	3
47	3
48	3
49	2
50	3
51	3
52	2
53	2
54	2
55	1
56	1
57	1
58	1
59	0
60	0
61	0
62	0
63	0
64	0
65	-1
66	0
67	1
68	2
69	3
70	4
71	4
72	3
73	4
74	5
75	6
76	6
77	5
78	6
79	7
80	7
81	6
82	7
83	7
84	6
85	6
86	6
87	5
88	6
89	7
90	7
91	6
92	7
93	7
94	6
95	6
96	6
97	5
98	6
99	6
100	5
101	5
102	5
103	4
104	4
105	4
106	4
107	3
108	4
109	4
110	3
111	3
112	3
113	2
114	2
115	2
116	2
117	1
118	1
119	1
120	1