A373193 - cp's OEIS frontend

A373193 On a unit square grid, the number of squares enclosed by a circle of radius n with origin at the center of a square.

n	a(n)
1	1
2	5
3	21
4	37
5	61
6	89
7	129
8	177
9	221
10	277
11	341
12	401
13	489
14	561
15	657
16	749
17	845
18	949
19	1049
20	1185
21	1313
22	1441
23	1573
24	1709
25	1877
26	2025
27	2185
28	2361
29	2529
30	2709
31	2901
32	3101
33	3305
34	3505
35	3713
36	3917
37	4157
38	4397
39	4637
40	4865
41	5121
42	5377
43	5637
44	5917
45	6197
46	6485
47	6761

[1, 5, 21, 37, 61, 89, 129, 177, 221, 277, 341, 401, 489, 561, 657, 749, 845, 949, 1049, 1185, 1313, 1441, 1573, 1709, 1877, 2025, 2185, 2361, 2529, 2709, 2901, 3101, 3305, 3505, 3713, 3917, 4157, 4397, 4637, 4865, 5121, 5377, 5637, 5917, 6197, 6485, 6761]

cp's OEIS Frontend

A373193 On a unit square grid, the number of squares enclosed by a circle of radius n with origin at the center of a square.

Table of values

List of values