A210531 - cp's OEIS frontend

A210531 Number of nonnegative integers k with n+k^3 practical.

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

[1, 1, 1, 2, 2, 1, 2, 4, 2, 2, 2, 3, 2, 2, 4, 5, 4, 2, 3, 7, 5, 1, 2, 7, 4, 2, 7, 5, 6, 1, 5, 9, 4, 4, 6, 9, 9, 2, 5, 12, 9, 3, 5, 6, 8, 5, 6, 13, 4, 2, 8, 6, 11, 6, 11, 14, 8, 2, 4, 7, 4, 5, 7, 29, 8, 3, 5, 8, 11, 4, 13, 16, 13, 2, 7, 12, 13, 6, 10, 16, 10, 6, 15, 9, 13, 3, 9, 20, 11, 8, 11, 20, 9, 2, 8, 22, 14, 6, 15, 15]

cp's OEIS Frontend

A210531 Number of nonnegative integers k with n+k^3 practical.

Table of values

List of values

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

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

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