A269175 - cp's OEIS frontend

A269175 a(n) = number of distinct k for which A269174(k) = n; number of finite predecessors for pattern encoded in the binary expansion of n in Wolfram's Rule 124 cellular automaton.

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

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

cp's OEIS Frontend

A269175 a(n) = number of distinct k for which A269174(k) = n; number of finite predecessors for pattern encoded in the binary expansion of n in Wolfram's Rule 124 cellular automaton.

Table of values

List of values

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

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

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