A357019 - cp's OEIS frontend

A357019 a(n) is the largest possible x in n = x^2 - x*y + y^2 with integers x > y >= 0, or 0 if n cannot be expressed in this form.

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

[0, 1, 0, 2, 2, 0, 0, 3, 0, 3, 0, 0, 4, 4, 0, 0, 4, 0, 0, 5, 0, 5, 0, 0, 0, 5, 0, 6, 6, 0, 0, 6, 0, 0, 0, 0, 6, 7, 0, 7, 0, 0, 0, 7, 0, 0, 0, 0, 8, 8, 0, 0, 8, 0, 0, 0, 0, 8, 0, 0, 0, 9, 0, 9, 8, 0, 0, 9, 0, 0, 0, 0, 0, 9, 0, 10, 10, 0, 0, 10, 0, 9, 0, 0, 10, 0]

cp's OEIS Frontend

A357019 a(n) is the largest possible x in n = x^2 - x*y + y^2 with integers x > y >= 0, or 0 if n cannot be expressed in this form.

Table of values

List of values

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

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

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