A049735 - cp's OEIS frontend

A049735 Array T(i,j) is the number of lattice points (x,y) in circle with radius (0,0)-to-(i,j), read by antidiagonals.

n	a(n)
0	1
1	5
2	5
3	13
4	9
5	13
6	29
7	21
8	21
9	29
10	49
11	37
12	25
13	37
14	49
15	81
16	57
17	45
18	45
19	57
20	81
21	113
22	89
23	69
24	61
25	69
26	89
27	113
28	149
29	121
30	97
31	81
32	81
33	97
34	121
35	149
36	197
37	161
38	129
39	109
40	101
41	109
42	129
43	161
44	197
45	253
46	213
47	177
48	145
49	137
50	137
51	145
52	177
53	213
54	253

[1, 5, 5, 13, 9, 13, 29, 21, 21, 29, 49, 37, 25, 37, 49, 81, 57, 45, 45, 57, 81, 113, 89, 69, 61, 69, 89, 113, 149, 121, 97, 81, 81, 97, 121, 149, 197, 161, 129, 109, 101, 109, 129, 161, 197, 253, 213, 177, 145, 137, 137, 145, 177, 213, 253]

cp's OEIS Frontend

A049735 Array T(i,j) is the number of lattice points (x,y) in circle with radius (0,0)-to-(i,j), read by antidiagonals.

Table of values

List of values

n	a(n)
0	1
1	5
2	5
3	13
4	9
5	13
6	29
7	21
8	21
9	29
10	49
11	37
12	25
13	37
14	49
15	81
16	57
17	45
18	45
19	57
20	81
21	113
22	89
23	69
24	61
25	69
26	89
27	113
28	149
29	121
30	97
31	81
32	81
33	97
34	121
35	149
36	197
37	161
38	129
39	109
40	101
41	109
42	129
43	161
44	197
45	253
46	213
47	177
48	145
49	137
50	137
51	145
52	177
53	213
54	253

n	a(n)
0	1
1	5
2	5
3	13
4	9
5	13
6	29
7	21
8	21
9	29
10	49
11	37
12	25
13	37
14	49
15	81
16	57
17	45
18	45
19	57
20	81
21	113
22	89
23	69
24	61
25	69
26	89
27	113
28	149
29	121
30	97
31	81
32	81
33	97
34	121
35	149
36	197
37	161
38	129
39	109
40	101
41	109
42	129
43	161
44	197
45	253
46	213
47	177
48	145
49	137
50	137
51	145
52	177
53	213
54	253

n	a(n)
0	1
1	5
2	5
3	13
4	9
5	13
6	29
7	21
8	21
9	29
10	49
11	37
12	25
13	37
14	49
15	81
16	57
17	45
18	45
19	57
20	81
21	113
22	89
23	69
24	61
25	69
26	89
27	113
28	149
29	121
30	97
31	81
32	81
33	97
34	121
35	149
36	197
37	161
38	129
39	109
40	101
41	109
42	129
43	161
44	197
45	253
46	213
47	177
48	145
49	137
50	137
51	145
52	177
53	213
54	253