A063951 - cp's OEIS frontend

A063951 Every number is the sum of 4 squares; these are the odd numbers n such that the first square can be taken to be any positive square < n.

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	13
7	15
8	17
9	21
10	25
11	33
12	41
13	45
14	49
15	57
16	65
17	73
18	81
19	89
20	97
21	105
22	129
23	145
24	153
25	169
26	177
27	185
28	201
29	209
30	217
31	225
32	257
33	273
34	297
35	305
36	313
37	329
38	345
39	353
40	385
41	425
42	433
43	441
44	481
45	513
46	561
47	585
48	609
49	689
50	697
51	713
52	817
53	825
54	945

[1, 3, 5, 7, 9, 13, 15, 17, 21, 25, 33, 41, 45, 49, 57, 65, 73, 81, 89, 97, 105, 129, 145, 153, 169, 177, 185, 201, 209, 217, 225, 257, 273, 297, 305, 313, 329, 345, 353, 385, 425, 433, 441, 481, 513, 561, 585, 609, 689, 697, 713, 817, 825, 945]

cp's OEIS Frontend

A063951 Every number is the sum of 4 squares; these are the odd numbers n such that the first square can be taken to be any positive square < n.

Table of values

List of values

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	13
7	15
8	17
9	21
10	25
11	33
12	41
13	45
14	49
15	57
16	65
17	73
18	81
19	89
20	97
21	105
22	129
23	145
24	153
25	169
26	177
27	185
28	201
29	209
30	217
31	225
32	257
33	273
34	297
35	305
36	313
37	329
38	345
39	353
40	385
41	425
42	433
43	441
44	481
45	513
46	561
47	585
48	609
49	689
50	697
51	713
52	817
53	825
54	945

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	13
7	15
8	17
9	21
10	25
11	33
12	41
13	45
14	49
15	57
16	65
17	73
18	81
19	89
20	97
21	105
22	129
23	145
24	153
25	169
26	177
27	185
28	201
29	209
30	217
31	225
32	257
33	273
34	297
35	305
36	313
37	329
38	345
39	353
40	385
41	425
42	433
43	441
44	481
45	513
46	561
47	585
48	609
49	689
50	697
51	713
52	817
53	825
54	945

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	13
7	15
8	17
9	21
10	25
11	33
12	41
13	45
14	49
15	57
16	65
17	73
18	81
19	89
20	97
21	105
22	129
23	145
24	153
25	169
26	177
27	185
28	201
29	209
30	217
31	225
32	257
33	273
34	297
35	305
36	313
37	329
38	345
39	353
40	385
41	425
42	433
43	441
44	481
45	513
46	561
47	585
48	609
49	689
50	697
51	713
52	817
53	825
54	945