A383032 - cp's OEIS frontend

A383032 Exponent of the highest power of 2 dividing the n-th number that is either a square or twice a square.

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

[0, 1, 2, 3, 0, 4, 1, 0, 5, 2, 0, 1, 6, 3, 0, 1, 2, 0, 7, 4, 1, 0, 2, 3, 0, 1, 8, 5, 0, 2, 1, 0, 3, 4, 0, 1, 2, 9, 0, 6, 1, 0, 3, 2, 1, 0, 4, 5, 0, 1, 2, 0, 3, 10, 1, 0, 7, 2, 0, 1, 4, 3, 0, 2, 1, 0, 5, 6, 0, 1, 2, 3, 0, 1, 4, 0, 11, 2, 1, 0, 8, 3, 0, 1, 2, 5, 0]

cp's OEIS Frontend

A383032 Exponent of the highest power of 2 dividing the n-th number that is either a square or twice a square.

Table of values

List of values

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

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

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