A151925 - cp's OEIS frontend

A151925 Write n as a sum of positive squares a^2+b^2+c^2+... with gcd(a,b,...) = 1; a(n) = minimal number of squares needed.

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

[1, 2, 3, 4, 2, 3, 4, 5, 3, 2, 3, 4, 2, 3, 4, 5, 2, 3, 3, 4, 3, 3, 4, 5, 2, 2, 3, 4, 2, 3, 4, 5, 3, 2, 3, 4, 2, 3, 4, 5, 2, 3, 3, 4, 3, 3, 4, 5, 3, 2, 3, 4, 2, 3, 4, 5, 3, 2, 3, 4, 2, 3, 4, 5, 2, 3, 3, 4, 3, 3, 4, 5, 2, 2, 3, 4, 3, 3, 4, 5, 3, 2, 3, 4, 2, 3, 4, 5, 2, 3, 3, 4, 3, 3, 4, 5, 2, 3, 3]

cp's OEIS Frontend

A151925 Write n as a sum of positive squares a^2+b^2+c^2+... with gcd(a,b,...) = 1; a(n) = minimal number of squares needed.

Table of values

List of values

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

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

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