A349609 - cp's OEIS frontend

A349609 Number of solutions to x^2 + y^2 <= n^2, where x, y are positive odd integers.

n	a(n)
0	0
1	0
2	1
3	1
4	3
5	4
6	8
7	8
8	13
9	15
10	20
11	22
12	28
13	31
14	39
15	43
16	52
17	54
18	64
19	69
20	79
21	83
22	96
23	102
24	112
25	121
26	135
27	140
28	154
29	162
30	179
31	185
32	203
33	212
34	228
35	238
36	255
37	265
38	281
39	296
40	316
41	326
42	349
43	359
44	382
45	394
46	416
47	429
48	451
49	469
50	494
51	508
52	532
53	547
54	573
55	587

[0, 0, 1, 1, 3, 4, 8, 8, 13, 15, 20, 22, 28, 31, 39, 43, 52, 54, 64, 69, 79, 83, 96, 102, 112, 121, 135, 140, 154, 162, 179, 185, 203, 212, 228, 238, 255, 265, 281, 296, 316, 326, 349, 359, 382, 394, 416, 429, 451, 469, 494, 508, 532, 547, 573, 587]

cp's OEIS Frontend

A349609 Number of solutions to x^2 + y^2 <= n^2, where x, y are positive odd integers.

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	1
4	3
5	4
6	8
7	8
8	13
9	15
10	20
11	22
12	28
13	31
14	39
15	43
16	52
17	54
18	64
19	69
20	79
21	83
22	96
23	102
24	112
25	121
26	135
27	140
28	154
29	162
30	179
31	185
32	203
33	212
34	228
35	238
36	255
37	265
38	281
39	296
40	316
41	326
42	349
43	359
44	382
45	394
46	416
47	429
48	451
49	469
50	494
51	508
52	532
53	547
54	573
55	587

n	a(n)
0	0
1	0
2	1
3	1
4	3
5	4
6	8
7	8
8	13
9	15
10	20
11	22
12	28
13	31
14	39
15	43
16	52
17	54
18	64
19	69
20	79
21	83
22	96
23	102
24	112
25	121
26	135
27	140
28	154
29	162
30	179
31	185
32	203
33	212
34	228
35	238
36	255
37	265
38	281
39	296
40	316
41	326
42	349
43	359
44	382
45	394
46	416
47	429
48	451
49	469
50	494
51	508
52	532
53	547
54	573
55	587

n	a(n)
0	0
1	0
2	1
3	1
4	3
5	4
6	8
7	8
8	13
9	15
10	20
11	22
12	28
13	31
14	39
15	43
16	52
17	54
18	64
19	69
20	79
21	83
22	96
23	102
24	112
25	121
26	135
27	140
28	154
29	162
30	179
31	185
32	203
33	212
34	228
35	238
36	255
37	265
38	281
39	296
40	316
41	326
42	349
43	359
44	382
45	394
46	416
47	429
48	451
49	469
50	494
51	508
52	532
53	547
54	573
55	587