A184762 - cp's OEIS frontend

A184762 The number of numbers k > n such that Sum_{i=n..k} i^2 is a square.

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

[1, 0, 3, 0, 0, 0, 5, 0, 2, 0, 1, 0, 1, 0, 2, 0, 2, 1, 0, 4, 1, 2, 0, 0, 7, 0, 2, 2, 0, 1, 0, 4, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 1, 0, 0, 1, 0, 2, 0, 0, 0, 1, 2, 0, 2, 0, 0, 0, 0, 0, 2, 1, 0, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A184762 The number of numbers k > n such that Sum_{i=n..k} i^2 is a square.

Table of values

List of values

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

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

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