A379128 - cp's OEIS frontend

A379128 a(1) = 1; for n > 1, a(n) is the least odd number k such that A325567(k) = 2*n-1, or 0 if no such number exists.

n	a(n)
1	1
2	9
3	35
4	49
5	135
6	33
7	65
8	225
9	527
10	133
11	651
12	161
13	775
14	837
15	899
16	961
17	2079
18	525
19	259
20	273
21	2583
22	129
23	2835
24	705
25	3087
26	3213
27	3339
28	385
29	1539
30	3717
31	3843
32	3969
33	8255
34	2077
35	1035
36	1065
37	9271
38	2325
39	1155
40	1185
41	4131
42	2573
43	10795
44	2697
45	11303
46	2821
47	11811
48	2945
49	12319
50	12573
51	12827
52	1545
53	13335
54	13589
55	13843
56	1665

[1, 9, 35, 49, 135, 33, 65, 225, 527, 133, 651, 161, 775, 837, 899, 961, 2079, 525, 259, 273, 2583, 129, 2835, 705, 3087, 3213, 3339, 385, 1539, 3717, 3843, 3969, 8255, 2077, 1035, 1065, 9271, 2325, 1155, 1185, 4131, 2573, 10795, 2697, 11303, 2821, 11811, 2945, 12319, 12573, 12827, 1545, 13335, 13589, 13843, 1665]

cp's OEIS Frontend

A379128 a(1) = 1; for n > 1, a(n) is the least odd number k such that A325567(k) = 2*n-1, or 0 if no such number exists.

Table of values

List of values