A304945 - cp's OEIS frontend

A304945 Number of nonnegative integers k such that n - k*L(k) is positive and squarefree, where L(k) denotes the k-th Lucas number A000032(k).

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

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

cp's OEIS Frontend

A304945 Number of nonnegative integers k such that n - k*L(k) is positive and squarefree, where L(k) denotes the k-th Lucas number A000032(k).

Table of values

List of values

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

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

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