A381708 - cp's OEIS frontend

A381708 a(n) is the smallest nonnegative integer k such that sigma_k(n) > sigma_k(j) for all 1 <= j < n.

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	0
7	3
8	1
9	2
10	1
11	3
12	0
13	3
14	2
15	2
16	1
17	3
18	1
19	3
20	1
21	3
22	2
23	3
24	0
25	4
26	3
27	3
28	2
29	4
30	1
31	4
32	2
33	4
34	2
35	4
36	0
37	4
38	3
39	4
40	2
41	4
42	1
43	4
44	2
45	4
46	2
47	4
48	0
49	4
50	3
51	4
52	2
53	4
54	2
55	4
56	2
57	4
58	3
59	4
60	0
61	5
62	3
63	4
64	2
65	5
66	2
67	5
68	3
69	4
70	2
71	5
72	1
73	5
74	3
75	4
76	3
77	5
78	2
79	5
80	2
81	5
82	3
83	5
84	1
85	5
86	3
87	5
88	3
89	5
90	1
91	5
92	3
93	5
94	3
95	5
96	1
97	5
98	3
99	5
100	2
101	5
102	2
103	5
104	3
105	5
106	3
107	5
108	1
109	5

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

cp's OEIS Frontend

A381708 a(n) is the smallest nonnegative integer k such that sigma_k(n) > sigma_k(j) for all 1 <= j < n.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	0
7	3
8	1
9	2
10	1
11	3
12	0
13	3
14	2
15	2
16	1
17	3
18	1
19	3
20	1
21	3
22	2
23	3
24	0
25	4
26	3
27	3
28	2
29	4
30	1
31	4
32	2
33	4
34	2
35	4
36	0
37	4
38	3
39	4
40	2
41	4
42	1
43	4
44	2
45	4
46	2
47	4
48	0
49	4
50	3
51	4
52	2
53	4
54	2
55	4
56	2
57	4
58	3
59	4
60	0
61	5
62	3
63	4
64	2
65	5
66	2
67	5
68	3
69	4
70	2
71	5
72	1
73	5
74	3
75	4
76	3
77	5
78	2
79	5
80	2
81	5
82	3
83	5
84	1
85	5
86	3
87	5
88	3
89	5
90	1
91	5
92	3
93	5
94	3
95	5
96	1
97	5
98	3
99	5
100	2
101	5
102	2
103	5
104	3
105	5
106	3
107	5
108	1
109	5

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	0
7	3
8	1
9	2
10	1
11	3
12	0
13	3
14	2
15	2
16	1
17	3
18	1
19	3
20	1
21	3
22	2
23	3
24	0
25	4
26	3
27	3
28	2
29	4
30	1
31	4
32	2
33	4
34	2
35	4
36	0
37	4
38	3
39	4
40	2
41	4
42	1
43	4
44	2
45	4
46	2
47	4
48	0
49	4
50	3
51	4
52	2
53	4
54	2
55	4
56	2
57	4
58	3
59	4
60	0
61	5
62	3
63	4
64	2
65	5
66	2
67	5
68	3
69	4
70	2
71	5
72	1
73	5
74	3
75	4
76	3
77	5
78	2
79	5
80	2
81	5
82	3
83	5
84	1
85	5
86	3
87	5
88	3
89	5
90	1
91	5
92	3
93	5
94	3
95	5
96	1
97	5
98	3
99	5
100	2
101	5
102	2
103	5
104	3
105	5
106	3
107	5
108	1
109	5

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	0
7	3
8	1
9	2
10	1
11	3
12	0
13	3
14	2
15	2
16	1
17	3
18	1
19	3
20	1
21	3
22	2
23	3
24	0
25	4
26	3
27	3
28	2
29	4
30	1
31	4
32	2
33	4
34	2
35	4
36	0
37	4
38	3
39	4
40	2
41	4
42	1
43	4
44	2
45	4
46	2
47	4
48	0
49	4
50	3
51	4
52	2
53	4
54	2
55	4
56	2
57	4
58	3
59	4
60	0
61	5
62	3
63	4
64	2
65	5
66	2
67	5
68	3
69	4
70	2
71	5
72	1
73	5
74	3
75	4
76	3
77	5
78	2
79	5
80	2
81	5
82	3
83	5
84	1
85	5
86	3
87	5
88	3
89	5
90	1
91	5
92	3
93	5
94	3
95	5
96	1
97	5
98	3
99	5
100	2
101	5
102	2
103	5
104	3
105	5
106	3
107	5
108	1
109	5