A273513 - cp's OEIS frontend

A273513 a(n) is the number of arithmetic triples n (three numbers in arithmetic progression) such that p and q contain no 2's in their ternary representation.

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

[0, 0, 1, 0, 0, 1, 1, 1, 2, 0, 0, 1, 0, 0, 1, 1, 1, 2, 1, 1, 2, 1, 1, 3, 2, 2, 3, 0, 0, 1, 0, 0, 1, 1, 1, 2, 0, 0, 1, 0, 0, 1, 1, 1, 2, 1, 1, 2, 1, 1, 3, 2, 2, 3, 1, 1, 2, 1, 1, 3, 2, 2, 3, 1, 1, 2, 1, 1, 4, 3, 3, 5, 2, 2, 4, 2, 2, 5, 3, 3, 4, 0, 0, 1, 0, 0, 1]

cp's OEIS Frontend

A273513 a(n) is the number of arithmetic triples n (three numbers in arithmetic progression) such that p and q contain no 2's in their ternary representation.

Table of values

List of values

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

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

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