A071377 - cp's OEIS frontend

A071377 Number of positive integers <= n which are the sum of 3 squares.

n	a(n)
0	1
1	2
2	3
3	4
4	5
5	6
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	13
15	14
16	15
17	16
18	17
19	18
20	19
21	20
22	20
23	21
24	22
25	23
26	24
27	24
28	25
29	26
30	26
31	27
32	28
33	29
34	30
35	31
36	32
37	33
38	33
39	34
40	35
41	36
42	37
43	38
44	39
45	40
46	40
47	41
48	42
49	43
50	44
51	45
52	46
53	47
54	47
55	48
56	49
57	50
58	51
59	51
60	52
61	53
62	53
63	54
64	55
65	56

[1, 2, 3, 4, 5, 6, 6, 7, 8, 9, 10, 11, 12, 13, 13, 14, 15, 16, 17, 18, 19, 20, 20, 21, 22, 23, 24, 24, 25, 26, 26, 27, 28, 29, 30, 31, 32, 33, 33, 34, 35, 36, 37, 38, 39, 40, 40, 41, 42, 43, 44, 45, 46, 47, 47, 48, 49, 50, 51, 51, 52, 53, 53, 54, 55, 56]

cp's OEIS Frontend

A071377 Number of positive integers <= n which are the sum of 3 squares.

Table of values

List of values

n	a(n)
0	1
1	2
2	3
3	4
4	5
5	6
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	13
15	14
16	15
17	16
18	17
19	18
20	19
21	20
22	20
23	21
24	22
25	23
26	24
27	24
28	25
29	26
30	26
31	27
32	28
33	29
34	30
35	31
36	32
37	33
38	33
39	34
40	35
41	36
42	37
43	38
44	39
45	40
46	40
47	41
48	42
49	43
50	44
51	45
52	46
53	47
54	47
55	48
56	49
57	50
58	51
59	51
60	52
61	53
62	53
63	54
64	55
65	56

n	a(n)
0	1
1	2
2	3
3	4
4	5
5	6
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	13
15	14
16	15
17	16
18	17
19	18
20	19
21	20
22	20
23	21
24	22
25	23
26	24
27	24
28	25
29	26
30	26
31	27
32	28
33	29
34	30
35	31
36	32
37	33
38	33
39	34
40	35
41	36
42	37
43	38
44	39
45	40
46	40
47	41
48	42
49	43
50	44
51	45
52	46
53	47
54	47
55	48
56	49
57	50
58	51
59	51
60	52
61	53
62	53
63	54
64	55
65	56

n	a(n)
0	1
1	2
2	3
3	4
4	5
5	6
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	13
15	14
16	15
17	16
18	17
19	18
20	19
21	20
22	20
23	21
24	22
25	23
26	24
27	24
28	25
29	26
30	26
31	27
32	28
33	29
34	30
35	31
36	32
37	33
38	33
39	34
40	35
41	36
42	37
43	38
44	39
45	40
46	40
47	41
48	42
49	43
50	44
51	45
52	46
53	47
54	47
55	48
56	49
57	50
58	51
59	51
60	52
61	53
62	53
63	54
64	55
65	56