A002828 - cp's OEIS frontend

A002828 Least number of squares that add up to n.

n	a(n)
0	0
1	1
2	2
3	3
4	1
5	2
6	3
7	4
8	2
9	1
10	2
11	3
12	3
13	2
14	3
15	4
16	1
17	2
18	2
19	3
20	2
21	3
22	3
23	4
24	3
25	1
26	2
27	3
28	4
29	2
30	3
31	4
32	2
33	3
34	2
35	3
36	1
37	2
38	3
39	4
40	2
41	2
42	3
43	3
44	3
45	2
46	3
47	4
48	3
49	1
50	2
51	3
52	2
53	2
54	3
55	4
56	3
57	3
58	2
59	3
60	4
61	2
62	3
63	4
64	1
65	2
66	3
67	3
68	2
69	3
70	3
71	4
72	2
73	2
74	2
75	3
76	3
77	3
78	3
79	4
80	2
81	1
82	2
83	3
84	3
85	2
86	3
87	4
88	3
89	2
90	2
91	3
92	4
93	3
94	3
95	4
96	3
97	2
98	2
99	3
100	1
101	2
102	3
103	4
104	2
105	3

[0, 1, 2, 3, 1, 2, 3, 4, 2, 1, 2, 3, 3, 2, 3, 4, 1, 2, 2, 3, 2, 3, 3, 4, 3, 1, 2, 3, 4, 2, 3, 4, 2, 3, 2, 3, 1, 2, 3, 4, 2, 2, 3, 3, 3, 2, 3, 4, 3, 1, 2, 3, 2, 2, 3, 4, 3, 3, 2, 3, 4, 2, 3, 4, 1, 2, 3, 3, 2, 3, 3, 4, 2, 2, 2, 3, 3, 3, 3, 4, 2, 1, 2, 3, 3, 2, 3, 4, 3, 2, 2, 3, 4, 3, 3, 4, 3, 2, 2, 3, 1, 2, 3, 4, 2, 3]

cp's OEIS Frontend

A002828 Least number of squares that add up to n.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	1
5	2
6	3
7	4
8	2
9	1
10	2
11	3
12	3
13	2
14	3
15	4
16	1
17	2
18	2
19	3
20	2
21	3
22	3
23	4
24	3
25	1
26	2
27	3
28	4
29	2
30	3
31	4
32	2
33	3
34	2
35	3
36	1
37	2
38	3
39	4
40	2
41	2
42	3
43	3
44	3
45	2
46	3
47	4
48	3
49	1
50	2
51	3
52	2
53	2
54	3
55	4
56	3
57	3
58	2
59	3
60	4
61	2
62	3
63	4
64	1
65	2
66	3
67	3
68	2
69	3
70	3
71	4
72	2
73	2
74	2
75	3
76	3
77	3
78	3
79	4
80	2
81	1
82	2
83	3
84	3
85	2
86	3
87	4
88	3
89	2
90	2
91	3
92	4
93	3
94	3
95	4
96	3
97	2
98	2
99	3
100	1
101	2
102	3
103	4
104	2
105	3

n	a(n)
0	0
1	1
2	2
3	3
4	1
5	2
6	3
7	4
8	2
9	1
10	2
11	3
12	3
13	2
14	3
15	4
16	1
17	2
18	2
19	3
20	2
21	3
22	3
23	4
24	3
25	1
26	2
27	3
28	4
29	2
30	3
31	4
32	2
33	3
34	2
35	3
36	1
37	2
38	3
39	4
40	2
41	2
42	3
43	3
44	3
45	2
46	3
47	4
48	3
49	1
50	2
51	3
52	2
53	2
54	3
55	4
56	3
57	3
58	2
59	3
60	4
61	2
62	3
63	4
64	1
65	2
66	3
67	3
68	2
69	3
70	3
71	4
72	2
73	2
74	2
75	3
76	3
77	3
78	3
79	4
80	2
81	1
82	2
83	3
84	3
85	2
86	3
87	4
88	3
89	2
90	2
91	3
92	4
93	3
94	3
95	4
96	3
97	2
98	2
99	3
100	1
101	2
102	3
103	4
104	2
105	3

n	a(n)
0	0
1	1
2	2
3	3
4	1
5	2
6	3
7	4
8	2
9	1
10	2
11	3
12	3
13	2
14	3
15	4
16	1
17	2
18	2
19	3
20	2
21	3
22	3
23	4
24	3
25	1
26	2
27	3
28	4
29	2
30	3
31	4
32	2
33	3
34	2
35	3
36	1
37	2
38	3
39	4
40	2
41	2
42	3
43	3
44	3
45	2
46	3
47	4
48	3
49	1
50	2
51	3
52	2
53	2
54	3
55	4
56	3
57	3
58	2
59	3
60	4
61	2
62	3
63	4
64	1
65	2
66	3
67	3
68	2
69	3
70	3
71	4
72	2
73	2
74	2
75	3
76	3
77	3
78	3
79	4
80	2
81	1
82	2
83	3
84	3
85	2
86	3
87	4
88	3
89	2
90	2
91	3
92	4
93	3
94	3
95	4
96	3
97	2
98	2
99	3
100	1
101	2
102	3
103	4
104	2
105	3