A253900 - cp's OEIS frontend

A253900 a(n) is the number of squares of the form x^2 + x + n^2 for 0 <= x <= n^2.

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

[1, 2, 2, 3, 3, 2, 4, 4, 2, 4, 4, 3, 6, 4, 2, 4, 8, 4, 4, 4, 2, 6, 6, 3, 6, 4, 4, 8, 4, 2, 6, 12, 4, 4, 4, 2, 6, 12, 4, 5, 5, 4, 8, 4, 4, 8, 8, 4, 6, 6, 2, 8, 8, 2, 4, 4, 4, 12, 12, 6, 6, 8, 4, 4, 4, 4, 16, 8, 2, 4, 8, 8, 12, 6, 2, 6, 12, 4, 4, 8, 4, 8, 8, 3, 9]

cp's OEIS Frontend

A253900 a(n) is the number of squares of the form x^2 + x + n^2 for 0 <= x <= n^2.

Table of values

List of values

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

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

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