A286462 - cp's OEIS frontend

A286462 Compound filter (3-adic valuation & the length of rightmost run of 1's in base-2): a(n) = P(A051064(n), A089309(n)), where P(n,k) is sequence A000027 used as a pairing function.

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

[1, 1, 5, 1, 1, 5, 4, 1, 6, 1, 2, 5, 1, 4, 12, 1, 1, 6, 2, 1, 3, 2, 4, 5, 1, 1, 14, 4, 1, 12, 11, 1, 3, 1, 2, 6, 1, 2, 8, 1, 1, 3, 2, 2, 6, 4, 7, 5, 1, 1, 5, 1, 1, 14, 4, 4, 3, 1, 2, 12, 1, 11, 31, 1, 1, 3, 2, 1, 3, 2, 4, 6, 1, 1, 5, 2, 1, 8, 7, 1, 15, 1, 2, 3, 1, 2, 8, 2, 1, 6, 2, 4, 3, 7, 11, 5, 1, 1, 9, 1, 1, 5, 4, 1, 3, 1, 2, 14, 1, 4, 12, 4, 1, 3, 2, 1]

cp's OEIS Frontend

A286462 Compound filter (3-adic valuation & the length of rightmost run of 1's in base-2): a(n) = P(A051064(n), A089309(n)), where P(n,k) is sequence A000027 used as a pairing function.

Table of values

List of values

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

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

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