A111405 - cp's OEIS frontend

A111405 a(n) = f(f(n+1)) - f(f(n)), where f(0) = 0 and f(m) = bigomega(m) = A001222(m) for m > 0.

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

[0, 0, 0, 1, -1, 1, -1, 1, 0, 0, -1, 1, -1, 1, 0, 1, -2, 1, -1, 1, 0, 0, -1, 2, -1, 0, 0, 0, -1, 1, -1, 1, 0, 0, 0, 1, -2, 1, 0, 1, -2, 1, -1, 1, 0, 0, -1, 1, 0, 0, 0, 0, -1, 2, -1, 1, -1, 0, -1, 2, -2, 1, 0, 1, -1, 0, -1, 1, 0, 0, -1, 1, -1, 1, 0, 0, 0, 0, -1, 1, 1, -1, -1, 2, -1, 0, 0, 1, -2, 2, -1, 0, 0, 0, 0, 1, -2, 1, 0, 1, -2]

cp's OEIS Frontend

A111405 a(n) = f(f(n+1)) - f(f(n)), where f(0) = 0 and f(m) = bigomega(m) = A001222(m) for m > 0.

Table of values

List of values

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

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

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