A331181 - cp's OEIS frontend

A331181 Number of values of k, 1 <= k <= n, with A033879(k) = A033879(n), where A033879(n) is the deficiency of n, 2n-sigma(n).

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

[1, 2, 1, 3, 1, 1, 1, 4, 1, 2, 1, 1, 1, 2, 2, 5, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 1, 2, 1, 2, 1, 6, 2, 2, 2, 1, 1, 2, 3, 1, 1, 3, 1, 3, 2, 1, 1, 1, 1, 1, 2, 3, 1, 4, 1, 1, 1, 1, 1, 1, 1, 2, 4, 7, 2, 5, 1, 4, 2, 2, 1, 1, 1, 2, 2, 3, 2, 6, 1, 1, 2, 2, 1, 1, 1, 2, 1, 3, 1, 1, 2, 3, 3, 1, 3, 1, 1, 1, 3, 1, 1, 7, 1, 2, 3]

cp's OEIS Frontend

A331181 Number of values of k, 1 <= k <= n, with A033879(k) = A033879(n), where A033879(n) is the deficiency of n, 2n-sigma(n).

Table of values

List of values

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

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

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