A335426 - cp's OEIS frontend

A335426 a(1) = 0; thereafter a(2^(2^k)) = 0 for k > 0, and for other even numbers n, a(n) = 1+a(n/2), and for odd numbers n, a(n) = 2*a(A064989(n)).

n	a(n)
1	0
2	1
3	2
4	0
5	4
6	3
7	8
8	1
9	0
10	5
11	16
12	4
13	32
14	9
15	6
16	0
17	64
18	1
19	128
20	6
21	10
22	17
23	256
24	5
25	0
26	33
27	2
28	10
29	512
30	7
31	1024
32	1
33	18
34	65
35	12
36	2
37	2048
38	129
39	34
40	7
41	4096
42	11
43	8192
44	18
45	8
46	257
47	16384
48	6
49	0
50	1
51	66
52	34
53	32768
54	3
55	20
56	11
57	130
58	513
59	65536
60	8
61	131072
62	1025
63	12
64	2
65	36
66	19
67	262144
68	66
69	258
70	13
71	524288
72	3
73	1048576
74	2049
75	2
76	130
77	24
78	35
79	2097152
80	8
81	0
82	4097

[0, 1, 2, 0, 4, 3, 8, 1, 0, 5, 16, 4, 32, 9, 6, 0, 64, 1, 128, 6, 10, 17, 256, 5, 0, 33, 2, 10, 512, 7, 1024, 1, 18, 65, 12, 2, 2048, 129, 34, 7, 4096, 11, 8192, 18, 8, 257, 16384, 6, 0, 1, 66, 34, 32768, 3, 20, 11, 130, 513, 65536, 8, 131072, 1025, 12, 2, 36, 19, 262144, 66, 258, 13, 524288, 3, 1048576, 2049, 2, 130, 24, 35, 2097152, 8, 0, 4097]

cp's OEIS Frontend

A335426 a(1) = 0; thereafter a(2^(2^k)) = 0 for k > 0, and for other even numbers n, a(n) = 1+a(n/2), and for odd numbers n, a(n) = 2*a(A064989(n)).

Table of values

List of values