A143701 - cp's OEIS frontend

A143701 a(n) is the least odd number 2^n - m minimizing A007947(m*(2^n - m)).

n	a(n)
1	1
2	3
3	7
4	15
5	27
6	63
7	125
8	243
9	343
10	999
11	1805
12	3721
13	8181
14	16335
15	32761
16	65533
17	112847
18	190269
19	519375
20	1046875
21	1953125
22	4192479
23	8385125
24	16775019
25	24398405
26	66976875
27	134216625

[1, 3, 7, 15, 27, 63, 125, 243, 343, 999, 1805, 3721, 8181, 16335, 32761, 65533, 112847, 190269, 519375, 1046875, 1953125, 4192479, 8385125, 16775019, 24398405, 66976875, 134216625]

cp's OEIS Frontend

A143701 a(n) is the least odd number 2^n - m minimizing A007947(m*(2^n - m)).

Table of values

List of values