A045683 - cp's OEIS frontend

A045683 Number of 2n-bead balanced binary necklaces of fundamental period 2n which are equivalent to their reverse, complement and reversed complement.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	3
6	3
7	7
8	8
9	14
10	15
11	31
12	30
13	63
14	63
15	123
16	128
17	255
18	252
19	511
20	510
21	1015
22	1023
23	2047
24	2040
25	4092
26	4095
27	8176
28	8190
29	16383
30	16365
31	32767
32	32768
33	65503
34	65535
35	131061
36	131040
37	262143
38	262143
39	524223
40	524280
41	1048575
42	1048509
43	2097151

[1, 1, 1, 1, 2, 3, 3, 7, 8, 14, 15, 31, 30, 63, 63, 123, 128, 255, 252, 511, 510, 1015, 1023, 2047, 2040, 4092, 4095, 8176, 8190, 16383, 16365, 32767, 32768, 65503, 65535, 131061, 131040, 262143, 262143, 524223, 524280, 1048575, 1048509, 2097151]

cp's OEIS Frontend

A045683 Number of 2n-bead balanced binary necklaces of fundamental period 2n which are equivalent to their reverse, complement and reversed complement.

Table of values

List of values