A286464 - cp's OEIS frontend

A286464 Compound filter (3-adic valuation & signature for base-2 1-runs): a(n) = P(A051064(n), A278222(n)), where P(n,k) is sequence A000027 used as a pairing function.

n	a(n)
1	2
2	2
3	12
4	2
5	16
6	12
7	29
8	2
9	31
10	16
11	67
12	12
13	67
14	29
15	138
16	2
17	16
18	31
19	67
20	16
21	467
22	67
23	277
24	12
25	67
26	67
27	745
28	29
29	277
30	138
31	497
32	2
33	23
34	16
35	67
36	31
37	436
38	67
39	302
40	16
41	436
42	467
43	1771
44	67
45	1894
46	277
47	1129
48	12
49	67
50	67
51	668
52	67
53	1771
54	745
55	2557
56	29
57	302
58	277
59	2557
60	138
61	1129
62	497
63	2148
64	2
65	16
66	23
67	67
68	16
69	467
70	67
71	277
72	31
73	436
74	436
75	1832
76	67
77	1771
78	302
79	1129
80	16
81	566

[2, 2, 12, 2, 16, 12, 29, 2, 31, 16, 67, 12, 67, 29, 138, 2, 16, 31, 67, 16, 467, 67, 277, 12, 67, 67, 745, 29, 277, 138, 497, 2, 23, 16, 67, 31, 436, 67, 302, 16, 436, 467, 1771, 67, 1894, 277, 1129, 12, 67, 67, 668, 67, 1771, 745, 2557, 29, 302, 277, 2557, 138, 1129, 497, 2148, 2, 16, 23, 67, 16, 467, 67, 277, 31, 436, 436, 1832, 67, 1771, 302, 1129, 16, 566]

cp's OEIS Frontend

A286464 Compound filter (3-adic valuation & signature for base-2 1-runs): a(n) = P(A051064(n), A278222(n)), where P(n,k) is sequence A000027 used as a pairing function.

Table of values

List of values