A276478 - cp's OEIS frontend

A276478 Number of points in square lattice in and on the boundary of the area encompassed by two arcs of radius n and centers at (0,0) and (n,0).

n	a(n)
0	1
1	2
2	5
3	12
4	19
5	34
6	45
7	56
8	77
9	98
10	127
11	148
12	169
13	206
14	239
15	280
16	311
17	350
18	393
19	440
20	495
21	534
22	593
23	644
24	697
25	770
26	827
27	896
28	957
29	1026
30	1105
31	1168
32	1255
33	1330
34	1417
35	1512
36	1579
37	1678
38	1759
39	1868
40	1969
41	2050
42	2159
43	2256
44	2377
45	2490
46	2585
47	2704
48	2811
49	2942

[1, 2, 5, 12, 19, 34, 45, 56, 77, 98, 127, 148, 169, 206, 239, 280, 311, 350, 393, 440, 495, 534, 593, 644, 697, 770, 827, 896, 957, 1026, 1105, 1168, 1255, 1330, 1417, 1512, 1579, 1678, 1759, 1868, 1969, 2050, 2159, 2256, 2377, 2490, 2585, 2704, 2811, 2942]

cp's OEIS Frontend

A276478 Number of points in square lattice in and on the boundary of the area encompassed by two arcs of radius n and centers at (0,0) and (n,0).

Table of values

List of values