A111775 - cp's OEIS frontend

A111775 Number of ways n can be written as a sum of at least three consecutive integers.

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

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

cp's OEIS Frontend

A111775 Number of ways n can be written as a sum of at least three consecutive integers.

Table of values

List of values

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

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

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