A336695 - cp's OEIS frontend

A336695 a(n) = A331410(1+sigma(n)), where A331410 is totally additive with a(2) = 0 and a(p) = 1 + a(p+1) for odd primes.

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

[0, 0, 2, 0, 1, 2, 2, 0, 1, 3, 2, 4, 3, 4, 4, 0, 3, 2, 2, 3, 3, 4, 4, 2, 0, 3, 3, 4, 1, 5, 3, 0, 2, 4, 2, 2, 3, 2, 4, 3, 3, 3, 4, 5, 3, 5, 2, 6, 4, 2, 5, 4, 4, 4, 5, 4, 4, 3, 2, 4, 3, 3, 4, 0, 5, 6, 3, 1, 3, 6, 5, 2, 5, 4, 6, 3, 3, 4, 4, 5, 2, 1, 5, 6, 5, 4, 4, 4, 3, 4, 5, 4, 4, 6, 4, 4, 4, 3, 4, 5, 3, 2, 4, 5, 4]

cp's OEIS Frontend

A336695 a(n) = A331410(1+sigma(n)), where A331410 is totally additive with a(2) = 0 and a(p) = 1 + a(p+1) for odd primes.

Table of values

List of values

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

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

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