A174806 - cp's OEIS frontend

A174806 a(n) = n-floor(sqrt(n))^2-floor(sqrt(n-floor(sqrt(n))^2))^2; difference between n and sum of two largest distinct squares <= n.

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

[0, 0, 0, 1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 2, 0, 0, 1, 2, 0, 1, 2, 3, 4, 0, 0, 1, 2, 0, 1, 2, 3, 4, 0, 1, 0, 0, 1, 2, 0, 1, 2, 3, 4, 0, 1, 2, 3, 0, 0, 1, 2, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 5, 0, 0, 1, 2, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 5, 6, 0, 0, 0, 1, 2, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 5, 6, 0, 1, 2, 0, 0, 1, 2, 0]

cp's OEIS Frontend

A174806 a(n) = n-floor(sqrt(n))^2-floor(sqrt(n-floor(sqrt(n))^2))^2; difference between n and sum of two largest distinct squares <= n.

Table of values

List of values

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

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

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