A273180 - cp's OEIS frontend

A273180 Numbers n such that ror(n) + rol(n) is a power of 2, where ror(n)=A038572(n) is n rotated one binary place to the right, rol(n)=A006257(n) is n rotated one binary place to the left.

n	a(n)
1	1
2	2
3	6
4	19
5	38
6	102
7	307
8	614
9	1638
10	4915
11	9830
12	26214
13	78643
14	157286
15	419430
16	1258291
17	2516582
18	6710886
19	20132659
20	40265318
21	107374182
22	322122547
23	644245094
24	1717986918
25	5153960755
26	10307921510
27	27487790694
28	82463372083
29	164926744166
30	439804651110

[1, 2, 6, 19, 38, 102, 307, 614, 1638, 4915, 9830, 26214, 78643, 157286, 419430, 1258291, 2516582, 6710886, 20132659, 40265318, 107374182, 322122547, 644245094, 1717986918, 5153960755, 10307921510, 27487790694, 82463372083, 164926744166, 439804651110]

cp's OEIS Frontend

A273180 Numbers n such that ror(n) + rol(n) is a power of 2, where ror(n)=A038572(n) is n rotated one binary place to the right, rol(n)=A006257(n) is n rotated one binary place to the left.

Table of values

List of values