A109814 - cp's OEIS frontend

A109814 a(n) is the largest k such that n can be written as sum of k consecutive positive integers.

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

[1, 1, 2, 1, 2, 3, 2, 1, 3, 4, 2, 3, 2, 4, 5, 1, 2, 4, 2, 5, 6, 4, 2, 3, 5, 4, 6, 7, 2, 5, 2, 1, 6, 4, 7, 8, 2, 4, 6, 5, 2, 7, 2, 8, 9, 4, 2, 3, 7, 5, 6, 8, 2, 9, 10, 7, 6, 4, 2, 8, 2, 4, 9, 1, 10, 11, 2, 8, 6, 7, 2, 9, 2, 4, 10, 8, 11, 12, 2, 5, 9, 4, 2, 8, 10, 4, 6, 11, 2, 12, 13, 8, 6, 4, 10, 3, 2, 7, 11, 8, 2, 12]

cp's OEIS Frontend

A109814 a(n) is the largest k such that n can be written as sum of k consecutive positive integers.

Table of values

List of values

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

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

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