A385738 - cp's OEIS frontend

A385738 For n >= 1, a(n) is the least k such that the Sum_{i=0..(n-1)} (k+i)/A000005(k+i) is an integer or a(n) = -1 if no such k exists.

n	a(n)
1	1
2	1
3	6
4	6
5	8
6	5
7	6
8	23
9	5
10	22
11	50
12	26
13	28
14	65
15	119
16	145
17	26
18	349
19	282
20	375
21	280
22	404
23	278
24	369
25	279
26	370
27	277
28	276
29	369
30	378
31	389
32	378
33	389
34	15
35	389
36	13
37	12
38	210
39	10
40	9
41	8
42	210
43	6
44	212
45	421
46	209
47	419
48	3
49	2
50	1
51	378
52	419
53	421
54	418
55	418
56	1026
57	373
58	105
59	104

[1, 1, 6, 6, 8, 5, 6, 23, 5, 22, 50, 26, 28, 65, 119, 145, 26, 349, 282, 375, 280, 404, 278, 369, 279, 370, 277, 276, 369, 378, 389, 378, 389, 15, 389, 13, 12, 210, 10, 9, 8, 210, 6, 212, 421, 209, 419, 3, 2, 1, 378, 419, 421, 418, 418, 1026, 373, 105, 104]

cp's OEIS Frontend

A385738 For n >= 1, a(n) is the least k such that the Sum_{i=0..(n-1)} (k+i)/A000005(k+i) is an integer or a(n) = -1 if no such k exists.

Table of values

List of values