A045669 - cp's OEIS frontend

A045669 Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally equivalent to reversed complement, inequivalent to reverse and complement.

n	a(n)
0	0
1	0
2	0
3	12
4	32
5	120
6	288
7	784
8	1792
9	4284
10	9600
11	21824
12	47520
13	104832
14	225792
15	487260
16	1040384
17	2219520
18	4699296
19	9942016
20	20930400
21	43994748
22	92184576
23	192843776
24	402451200
25	838655400
26	1744404480
27	3623423328
28	7515275040

[0, 0, 0, 12, 32, 120, 288, 784, 1792, 4284, 9600, 21824, 47520, 104832, 225792, 487260, 1040384, 2219520, 4699296, 9942016, 20930400, 43994748, 92184576, 192843776, 402451200, 838655400, 1744404480, 3623423328, 7515275040]

cp's OEIS Frontend

A045669 Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally equivalent to reversed complement, inequivalent to reverse and complement.

Table of values

List of values