A292380 - cp's OEIS frontend

A292380 Base-2 expansion of a(n) encodes the steps where multiples of 4 are encountered when map x -> A252463(x) is iterated down to 1, starting from x=n.

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	3
9	2
10	0
11	0
12	1
13	0
14	0
15	0
16	7
17	0
18	4
19	0
20	1
21	0
22	0
23	0
24	3
25	4
26	0
27	6
28	1
29	0
30	0
31	0
32	15
33	0
34	0
35	0
36	9
37	0
38	0
39	0
40	3
41	0
42	0
43	0
44	1
45	2
46	0
47	0
48	7
49	8
50	8
51	0
52	1
53	0
54	12
55	0
56	3
57	0
58	0
59	0
60	1
61	0
62	0
63	2
64	31
65	0
66	0
67	0
68	1
69	0
70	0
71	0
72	19
73	0
74	0
75	8
76	1
77	0
78	0
79	0
80	7
81	14
82	0
83	0
84	1
85	0
86	0
87	0
88	3
89	0
90	4
91	0
92	1
93	0
94	0
95	0
96	15
97	0
98	16
99	2
100	17
101	0
102	0
103	0
104	3
105	0

[0, 0, 0, 1, 0, 0, 0, 3, 2, 0, 0, 1, 0, 0, 0, 7, 0, 4, 0, 1, 0, 0, 0, 3, 4, 0, 6, 1, 0, 0, 0, 15, 0, 0, 0, 9, 0, 0, 0, 3, 0, 0, 0, 1, 2, 0, 0, 7, 8, 8, 0, 1, 0, 12, 0, 3, 0, 0, 0, 1, 0, 0, 2, 31, 0, 0, 0, 1, 0, 0, 0, 19, 0, 0, 8, 1, 0, 0, 0, 7, 14, 0, 0, 1, 0, 0, 0, 3, 0, 4, 0, 1, 0, 0, 0, 15, 0, 16, 2, 17, 0, 0, 0, 3, 0]

cp's OEIS Frontend

A292380 Base-2 expansion of a(n) encodes the steps where multiples of 4 are encountered when map x -> A252463(x) is iterated down to 1, starting from x=n.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	3
9	2
10	0
11	0
12	1
13	0
14	0
15	0
16	7
17	0
18	4
19	0
20	1
21	0
22	0
23	0
24	3
25	4
26	0
27	6
28	1
29	0
30	0
31	0
32	15
33	0
34	0
35	0
36	9
37	0
38	0
39	0
40	3
41	0
42	0
43	0
44	1
45	2
46	0
47	0
48	7
49	8
50	8
51	0
52	1
53	0
54	12
55	0
56	3
57	0
58	0
59	0
60	1
61	0
62	0
63	2
64	31
65	0
66	0
67	0
68	1
69	0
70	0
71	0
72	19
73	0
74	0
75	8
76	1
77	0
78	0
79	0
80	7
81	14
82	0
83	0
84	1
85	0
86	0
87	0
88	3
89	0
90	4
91	0
92	1
93	0
94	0
95	0
96	15
97	0
98	16
99	2
100	17
101	0
102	0
103	0
104	3
105	0

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	3
9	2
10	0
11	0
12	1
13	0
14	0
15	0
16	7
17	0
18	4
19	0
20	1
21	0
22	0
23	0
24	3
25	4
26	0
27	6
28	1
29	0
30	0
31	0
32	15
33	0
34	0
35	0
36	9
37	0
38	0
39	0
40	3
41	0
42	0
43	0
44	1
45	2
46	0
47	0
48	7
49	8
50	8
51	0
52	1
53	0
54	12
55	0
56	3
57	0
58	0
59	0
60	1
61	0
62	0
63	2
64	31
65	0
66	0
67	0
68	1
69	0
70	0
71	0
72	19
73	0
74	0
75	8
76	1
77	0
78	0
79	0
80	7
81	14
82	0
83	0
84	1
85	0
86	0
87	0
88	3
89	0
90	4
91	0
92	1
93	0
94	0
95	0
96	15
97	0
98	16
99	2
100	17
101	0
102	0
103	0
104	3
105	0

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	3
9	2
10	0
11	0
12	1
13	0
14	0
15	0
16	7
17	0
18	4
19	0
20	1
21	0
22	0
23	0
24	3
25	4
26	0
27	6
28	1
29	0
30	0
31	0
32	15
33	0
34	0
35	0
36	9
37	0
38	0
39	0
40	3
41	0
42	0
43	0
44	1
45	2
46	0
47	0
48	7
49	8
50	8
51	0
52	1
53	0
54	12
55	0
56	3
57	0
58	0
59	0
60	1
61	0
62	0
63	2
64	31
65	0
66	0
67	0
68	1
69	0
70	0
71	0
72	19
73	0
74	0
75	8
76	1
77	0
78	0
79	0
80	7
81	14
82	0
83	0
84	1
85	0
86	0
87	0
88	3
89	0
90	4
91	0
92	1
93	0
94	0
95	0
96	15
97	0
98	16
99	2
100	17
101	0
102	0
103	0
104	3
105	0