A063954 - cp's OEIS frontend

A063954 Every number is the sum of 4 squares; these are the odd numbers such that the first square can be taken to be any square < n.

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

[1, 3, 5, 9, 13, 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

A063954 Every number is the sum of 4 squares; these are the odd numbers such that the first square can be taken to be any square < n.

Table of values

List of values

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

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

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