A357563 - cp's OEIS frontend

A357563 a(n) = b(n) - 2*b(b(b(n))) for n >= 3, where b(n) = A356988(n).

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

[0, 1, 1, 0, 1, 1, 0, 1, 2, 2, 2, 1, 0, 1, 2, 3, 3, 3, 3, 2, 1, 0, 1, 2, 3, 4, 5, 5, 5, 5, 5, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2]

cp's OEIS Frontend

A357563 a(n) = b(n) - 2*b(b(b(n))) for n >= 3, where b(n) = A356988(n).

Table of values

List of values

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

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

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