A063949 - cp's OEIS frontend

A063949 Every number is the sum of 4 squares; these are the numbers n for which the first square can be taken to be any positive square < n.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	9
10	10
11	12
12	13
13	14
14	15
15	17
16	18
17	20
18	21
19	22
20	25
21	26
22	28
23	30
24	33
25	34
26	36
27	38
28	41
29	42
30	45
31	46
32	49
33	50
34	52
35	54
36	57
37	58
38	60
39	62
40	65
41	66
42	68
43	70
44	73
45	74
46	78
47	81
48	82
49	84
50	86
51	89
52	90
53	94
54	97
55	98
56	100
57	102
58	105
59	106
60	110
61	114
62	118
63	122
64	126
65	129
66	130

[0, 1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 22, 25, 26, 28, 30, 33, 34, 36, 38, 41, 42, 45, 46, 49, 50, 52, 54, 57, 58, 60, 62, 65, 66, 68, 70, 73, 74, 78, 81, 82, 84, 86, 89, 90, 94, 97, 98, 100, 102, 105, 106, 110, 114, 118, 122, 126, 129, 130]

cp's OEIS Frontend

A063949 Every number is the sum of 4 squares; these are the numbers n for which the first square can be taken to be any positive square < n.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	9
10	10
11	12
12	13
13	14
14	15
15	17
16	18
17	20
18	21
19	22
20	25
21	26
22	28
23	30
24	33
25	34
26	36
27	38
28	41
29	42
30	45
31	46
32	49
33	50
34	52
35	54
36	57
37	58
38	60
39	62
40	65
41	66
42	68
43	70
44	73
45	74
46	78
47	81
48	82
49	84
50	86
51	89
52	90
53	94
54	97
55	98
56	100
57	102
58	105
59	106
60	110
61	114
62	118
63	122
64	126
65	129
66	130

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	9
10	10
11	12
12	13
13	14
14	15
15	17
16	18
17	20
18	21
19	22
20	25
21	26
22	28
23	30
24	33
25	34
26	36
27	38
28	41
29	42
30	45
31	46
32	49
33	50
34	52
35	54
36	57
37	58
38	60
39	62
40	65
41	66
42	68
43	70
44	73
45	74
46	78
47	81
48	82
49	84
50	86
51	89
52	90
53	94
54	97
55	98
56	100
57	102
58	105
59	106
60	110
61	114
62	118
63	122
64	126
65	129
66	130

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	9
10	10
11	12
12	13
13	14
14	15
15	17
16	18
17	20
18	21
19	22
20	25
21	26
22	28
23	30
24	33
25	34
26	36
27	38
28	41
29	42
30	45
31	46
32	49
33	50
34	52
35	54
36	57
37	58
38	60
39	62
40	65
41	66
42	68
43	70
44	73
45	74
46	78
47	81
48	82
49	84
50	86
51	89
52	90
53	94
54	97
55	98
56	100
57	102
58	105
59	106
60	110
61	114
62	118
63	122
64	126
65	129
66	130