A354100 - cp's OEIS frontend

A354100 The 3-adic valuation of sigma, sum of divisors function.

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

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cp's OEIS Frontend

A354100 The 3-adic valuation of sigma, sum of divisors function.

Table of values

List of values

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

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

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