A072612 - cp's OEIS frontend

A072612 Minimal value of { abs(n-sigma(k)) : k>0 }.

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

[0, 1, 0, 0, 1, 0, 0, 0, 1, 2, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 2, 1, 0, 1, 2, 1, 0, 1, 0, 0, 0, 1, 2, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 2, 1, 0, 1, 2, 3, 2, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 2, 3, 1, 0, 1, 2, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 1, 2, 1, 0, 1, 2, 3, 2, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 1]

cp's OEIS Frontend

A072612 Minimal value of { abs(n-sigma(k)) : k>0 }.

Table of values

List of values

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

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

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