A292381 - cp's OEIS frontend

A292381 Base-2 expansion of a(n) encodes the steps where numbers of the form 4k+1 are encountered when map x -> A252463(x) is iterated down to 1, starting from x=n.

n	a(n)
1	1
2	2
3	4
4	4
5	9
6	8
7	18
8	8
9	9
10	18
11	36
12	16
13	73
14	36
15	16
16	16
17	147
18	18
19	294
20	36
21	37
22	72
23	588
24	32
25	19
26	146
27	16
28	72
29	1177
30	32
31	2354
32	32
33	73
34	294
35	32
36	36
37	4709
38	588
39	144
40	72
41	9419
42	74
43	18838
44	144
45	33
46	1176
47	37676
48	64
49	39
50	38
51	292
52	292
53	75353
54	32
55	74
56	144
57	589
58	2354
59	150706
60	64
61	301413
62	4708
63	72
64	64
65	147
66	146
67	602826
68	588
69	1177
70	64
71	1205652
72	72
73	2411305
74	9418
75	36
76	1176

[1, 2, 4, 4, 9, 8, 18, 8, 9, 18, 36, 16, 73, 36, 16, 16, 147, 18, 294, 36, 37, 72, 588, 32, 19, 146, 16, 72, 1177, 32, 2354, 32, 73, 294, 32, 36, 4709, 588, 144, 72, 9419, 74, 18838, 144, 33, 1176, 37676, 64, 39, 38, 292, 292, 75353, 32, 74, 144, 589, 2354, 150706, 64, 301413, 4708, 72, 64, 147, 146, 602826, 588, 1177, 64, 1205652, 72, 2411305, 9418, 36, 1176]

cp's OEIS Frontend

A292381 Base-2 expansion of a(n) encodes the steps where numbers of the form 4k+1 are encountered when map x -> A252463(x) is iterated down to 1, starting from x=n.

Table of values

List of values