A136486 - cp's OEIS frontend

A136486 Number of unit square lattice cells enclosed by origin centered circle of diameter 2n+1.

n	a(n)
0	0
1	4
2	12
3	24
4	52
5	76
6	112
7	148
8	192
9	256
10	308
11	376
12	440
13	524
14	608
15	688
16	796
17	904
18	1012
19	1124
20	1232
21	1372
22	1508
23	1648
24	1788
25	1952
26	2112
27	2268
28	2448
29	2616
30	2812
31	3000
32	3184
33	3388
34	3608
35	3828
36	4052
37	4272
38	4516
39	4748
40	5008
41	5252
42	5512
43	5784
44	6044
45	6328
46	6600

[0, 4, 12, 24, 52, 76, 112, 148, 192, 256, 308, 376, 440, 524, 608, 688, 796, 904, 1012, 1124, 1232, 1372, 1508, 1648, 1788, 1952, 2112, 2268, 2448, 2616, 2812, 3000, 3184, 3388, 3608, 3828, 4052, 4272, 4516, 4748, 5008, 5252, 5512, 5784, 6044, 6328, 6600]

cp's OEIS Frontend

A136486 Number of unit square lattice cells enclosed by origin centered circle of diameter 2n+1.

Table of values

List of values