A078705 - cp's OEIS frontend

A078705 Integer part of the square root of sigma(n).

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

[1, 1, 2, 2, 2, 3, 2, 3, 3, 4, 3, 5, 3, 4, 4, 5, 4, 6, 4, 6, 5, 6, 4, 7, 5, 6, 6, 7, 5, 8, 5, 7, 6, 7, 6, 9, 6, 7, 7, 9, 6, 9, 6, 9, 8, 8, 6, 11, 7, 9, 8, 9, 7, 10, 8, 10, 8, 9, 7, 12, 7, 9, 10, 11, 9, 12, 8, 11, 9, 12, 8, 13, 8, 10, 11, 11, 9, 12, 8, 13, 11, 11, 9, 14, 10, 11, 10, 13, 9, 15, 10, 12, 11]

cp's OEIS Frontend

A078705 Integer part of the square root of sigma(n).

Table of values

List of values

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

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

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