A362503 - cp's OEIS frontend

A362503 a(n) is the number of k such that n - A000045(k) is a square.

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

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

cp's OEIS Frontend

A362503 a(n) is the number of k such that n - A000045(k) is a square.

Table of values

List of values

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

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

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