A375033 - cp's OEIS frontend

A375033 The maximum even exponent in the prime factorization of n, or 0 if no such exponent exists.

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

[0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 4, 0, 2, 0, 2, 0, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 4, 2, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2, 6, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 4, 4, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A375033 The maximum even exponent in the prime factorization of n, or 0 if no such exponent exists.

Table of values

List of values

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

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

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