A327638 - cp's OEIS frontend

A327638 a(0)=1, a(1)=5; for n > 2, a(n) is the smallest odd number j not divisible by 3 such that (3*j+1)/2^k = a(n-1) for some k.

n	a(n)
0	1
1	5
2	13
3	17
4	11
5	7
6	37
7	49
8	65
9	43
10	229
11	305
12	203
13	541
14	721
15	961
16	5125
17	6833
18	4555
19	6073
20	32389
21	172741
22	230321
23	153547
24	818917
25	4367557
26	5823409
27	7764545
28	5176363
29	6901817
30	18404845
31	98159173
32	523515589
33	2792083141
34	3722777521
35	19854813445
36	105892338373

[1, 5, 13, 17, 11, 7, 37, 49, 65, 43, 229, 305, 203, 541, 721, 961, 5125, 6833, 4555, 6073, 32389, 172741, 230321, 153547, 818917, 4367557, 5823409, 7764545, 5176363, 6901817, 18404845, 98159173, 523515589, 2792083141, 3722777521, 19854813445, 105892338373]

cp's OEIS Frontend

A327638 a(0)=1, a(1)=5; for n > 2, a(n) is the smallest odd number j not divisible by 3 such that (3*j+1)/2^k = a(n-1) for some k.

Table of values

List of values