A258772 - cp's OEIS frontend

A258772 Number of fixed points in the Collatz (3x+1) trajectory of n.

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

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

cp's OEIS Frontend

A258772 Number of fixed points in the Collatz (3x+1) trajectory of n.

Table of values

List of values

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

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

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