A378729 - cp's OEIS frontend

A378729 Characteristic function of the primitive practical numbers as a subsequence of the practical numbers.

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

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

cp's OEIS Frontend

A378729 Characteristic function of the primitive practical numbers as a subsequence of the practical numbers.

Table of values

List of values

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

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

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