A227778 - cp's OEIS frontend

A227778 Least splitter of n-th and (n+1)st partial sums of 1/1 + 1/3 + ... + 1/(2n-1).

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	9
7	1
8	13
9	8
10	6
11	5
12	4
13	7
14	3
15	11
16	8
17	5
18	7
19	11
20	2
21	19
22	11
23	9
24	7
25	5
26	8
27	11
28	20
29	3
30	13
31	7
32	11
33	15
34	4
35	13
36	9
37	5
38	16
39	11
40	6
41	13
42	7
43	15
44	8
45	9
46	10
47	11
48	13
49	14
50	17
51	20
52	24
53	31
54	43
55	69
56	1
57	84
58	49
59	35
60	27
61	23
62	19
63	17
64	15
65	14
66	12
67	11
68	21
69	10
70	9
71	17
72	8
73	15

[1, 2, 3, 4, 5, 9, 1, 13, 8, 6, 5, 4, 7, 3, 11, 8, 5, 7, 11, 2, 19, 11, 9, 7, 5, 8, 11, 20, 3, 13, 7, 11, 15, 4, 13, 9, 5, 16, 11, 6, 13, 7, 15, 8, 9, 10, 11, 13, 14, 17, 20, 24, 31, 43, 69, 1, 84, 49, 35, 27, 23, 19, 17, 15, 14, 12, 11, 21, 10, 9, 17, 8, 15]

cp's OEIS Frontend

A227778 Least splitter of n-th and (n+1)st partial sums of 1/1 + 1/3 + ... + 1/(2n-1).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	9
7	1
8	13
9	8
10	6
11	5
12	4
13	7
14	3
15	11
16	8
17	5
18	7
19	11
20	2
21	19
22	11
23	9
24	7
25	5
26	8
27	11
28	20
29	3
30	13
31	7
32	11
33	15
34	4
35	13
36	9
37	5
38	16
39	11
40	6
41	13
42	7
43	15
44	8
45	9
46	10
47	11
48	13
49	14
50	17
51	20
52	24
53	31
54	43
55	69
56	1
57	84
58	49
59	35
60	27
61	23
62	19
63	17
64	15
65	14
66	12
67	11
68	21
69	10
70	9
71	17
72	8
73	15

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	9
7	1
8	13
9	8
10	6
11	5
12	4
13	7
14	3
15	11
16	8
17	5
18	7
19	11
20	2
21	19
22	11
23	9
24	7
25	5
26	8
27	11
28	20
29	3
30	13
31	7
32	11
33	15
34	4
35	13
36	9
37	5
38	16
39	11
40	6
41	13
42	7
43	15
44	8
45	9
46	10
47	11
48	13
49	14
50	17
51	20
52	24
53	31
54	43
55	69
56	1
57	84
58	49
59	35
60	27
61	23
62	19
63	17
64	15
65	14
66	12
67	11
68	21
69	10
70	9
71	17
72	8
73	15

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	9
7	1
8	13
9	8
10	6
11	5
12	4
13	7
14	3
15	11
16	8
17	5
18	7
19	11
20	2
21	19
22	11
23	9
24	7
25	5
26	8
27	11
28	20
29	3
30	13
31	7
32	11
33	15
34	4
35	13
36	9
37	5
38	16
39	11
40	6
41	13
42	7
43	15
44	8
45	9
46	10
47	11
48	13
49	14
50	17
51	20
52	24
53	31
54	43
55	69
56	1
57	84
58	49
59	35
60	27
61	23
62	19
63	17
64	15
65	14
66	12
67	11
68	21
69	10
70	9
71	17
72	8
73	15