A045667 - cp's OEIS frontend

A045667 Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally equivalent to reverse, inequivalent to complement and reversed complement.

n	a(n)
0	0
1	0
2	0
3	0
4	16
5	20
6	168
7	168
8	896
9	972
10	4600
11	4840
12	20880
13	22360
14	93744
15	99060
16	405504
17	428876
18	1738080
19	1828104
20	7359600
21	7716240
22	30982864
23	32355664
24	129654144
25	135002900
26	540570160
27	561187116
28	2245878544
29	2325812528

[0, 0, 0, 0, 16, 20, 168, 168, 896, 972, 4600, 4840, 20880, 22360, 93744, 99060, 405504, 428876, 1738080, 1828104, 7359600, 7716240, 30982864, 32355664, 129654144, 135002900, 540570160, 561187116, 2245878544, 2325812528]

cp's OEIS Frontend

A045667 Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally equivalent to reverse, inequivalent to complement and reversed complement.

Table of values

List of values