A079633 - cp's OEIS frontend

A079633 a(n) = floor(n/floor(n^(1/3))) - floor(n^(2/3)).

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

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

cp's OEIS Frontend

A079633 a(n) = floor(n/floor(n^(1/3))) - floor(n^(2/3)).

Table of values

List of values

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

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

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