A111787 - cp's OEIS frontend

A111787 a(n) is the least k >= 3 such that n can be written as sum of k consecutive integers. a(n)=0 if such a k does not exist.

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

[0, 0, 0, 0, 0, 3, 0, 0, 3, 4, 0, 3, 0, 4, 3, 0, 0, 3, 0, 5, 3, 4, 0, 3, 5, 4, 3, 7, 0, 3, 0, 0, 3, 4, 5, 3, 0, 4, 3, 5, 0, 3, 0, 8, 3, 4, 0, 3, 7, 5, 3, 8, 0, 3, 5, 7, 3, 4, 0, 3, 0, 4, 3, 0, 5, 3, 0, 8, 3, 5, 0, 3, 0, 4, 3, 8, 7, 3, 0, 5, 3, 4, 0, 3, 5, 4, 3, 11, 0, 3, 7, 8, 3, 4, 5, 3, 0, 7, 3, 5, 0, 3, 0, 13]

cp's OEIS Frontend

A111787 a(n) is the least k >= 3 such that n can be written as sum of k consecutive integers. a(n)=0 if such a k does not exist.

Table of values

List of values

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

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

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