A077768 - cp's OEIS frontend

A077768 Number of times that the sum of two squares is an integer between n^2 and (n+1)^2; multiple representations are counted multiply.

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	4
7	6
8	7
9	7
10	7
11	8
12	10
13	10
14	11
15	11
16	12
17	13
18	15
19	15
20	14
21	18
22	17
23	17
24	19
25	19
26	21
27	20
28	21
29	23
30	22
31	26
32	25
33	26
34	27
35	25
36	29
37	27
38	32
39	30
40	28
41	33
42	33
43	36
44	34
45	33
46	37
47	36
48	39
49	38
50	40
51	39
52	38
53	42
54	40
55	46
56	43
57	45
58	44
59	46
60	48
61	47
62	49
63	50
64	48
65	50
66	50
67	53
68	55
69	52
70	55
71	53
72	60
73	57

[1, 2, 2, 3, 4, 4, 6, 7, 7, 7, 8, 10, 10, 11, 11, 12, 13, 15, 15, 14, 18, 17, 17, 19, 19, 21, 20, 21, 23, 22, 26, 25, 26, 27, 25, 29, 27, 32, 30, 28, 33, 33, 36, 34, 33, 37, 36, 39, 38, 40, 39, 38, 42, 40, 46, 43, 45, 44, 46, 48, 47, 49, 50, 48, 50, 50, 53, 55, 52, 55, 53, 60, 57]

cp's OEIS Frontend

A077768 Number of times that the sum of two squares is an integer between n^2 and (n+1)^2; multiple representations are counted multiply.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	4
7	6
8	7
9	7
10	7
11	8
12	10
13	10
14	11
15	11
16	12
17	13
18	15
19	15
20	14
21	18
22	17
23	17
24	19
25	19
26	21
27	20
28	21
29	23
30	22
31	26
32	25
33	26
34	27
35	25
36	29
37	27
38	32
39	30
40	28
41	33
42	33
43	36
44	34
45	33
46	37
47	36
48	39
49	38
50	40
51	39
52	38
53	42
54	40
55	46
56	43
57	45
58	44
59	46
60	48
61	47
62	49
63	50
64	48
65	50
66	50
67	53
68	55
69	52
70	55
71	53
72	60
73	57

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	4
7	6
8	7
9	7
10	7
11	8
12	10
13	10
14	11
15	11
16	12
17	13
18	15
19	15
20	14
21	18
22	17
23	17
24	19
25	19
26	21
27	20
28	21
29	23
30	22
31	26
32	25
33	26
34	27
35	25
36	29
37	27
38	32
39	30
40	28
41	33
42	33
43	36
44	34
45	33
46	37
47	36
48	39
49	38
50	40
51	39
52	38
53	42
54	40
55	46
56	43
57	45
58	44
59	46
60	48
61	47
62	49
63	50
64	48
65	50
66	50
67	53
68	55
69	52
70	55
71	53
72	60
73	57

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	4
7	6
8	7
9	7
10	7
11	8
12	10
13	10
14	11
15	11
16	12
17	13
18	15
19	15
20	14
21	18
22	17
23	17
24	19
25	19
26	21
27	20
28	21
29	23
30	22
31	26
32	25
33	26
34	27
35	25
36	29
37	27
38	32
39	30
40	28
41	33
42	33
43	36
44	34
45	33
46	37
47	36
48	39
49	38
50	40
51	39
52	38
53	42
54	40
55	46
56	43
57	45
58	44
59	46
60	48
61	47
62	49
63	50
64	48
65	50
66	50
67	53
68	55
69	52
70	55
71	53
72	60
73	57