A304035 - cp's OEIS frontend

A304035 a(n) is the number of lattice points inside a square bounded by the lines x=-n/sqrt(2), x=n/sqrt(2), y=-n/sqrt(2), y=n/sqrt(2).

n	a(n)
1	1
2	9
3	25
4	25
5	49
6	81
7	81
8	121
9	169
10	225
11	225
12	289
13	361
14	361
15	441
16	529
17	625
18	625
19	729
20	841
21	841
22	961
23	1089
24	1089
25	1225
26	1369
27	1521
28	1521
29	1681
30	1849
31	1849
32	2025
33	2209
34	2401
35	2401
36	2601
37	2809
38	2809
39	3025
40	3249
41	3249
42	3481
43	3721
44	3969
45	3969
46	4225
47	4489
48	4489
49	4761
50	5041
51	5329
52	5329
53	5625
54	5929
55	5929

[1, 9, 25, 25, 49, 81, 81, 121, 169, 225, 225, 289, 361, 361, 441, 529, 625, 625, 729, 841, 841, 961, 1089, 1089, 1225, 1369, 1521, 1521, 1681, 1849, 1849, 2025, 2209, 2401, 2401, 2601, 2809, 2809, 3025, 3249, 3249, 3481, 3721, 3969, 3969, 4225, 4489, 4489, 4761, 5041, 5329, 5329, 5625, 5929, 5929]

cp's OEIS Frontend

A304035 a(n) is the number of lattice points inside a square bounded by the lines x=-n/sqrt(2), x=n/sqrt(2), y=-n/sqrt(2), y=n/sqrt(2).

Table of values

List of values