A046932 - cp's OEIS frontend

A046932 a(n) = period of x^n + x + 1 over GF(2), i.e., the smallest integer m>0 such that x^n + x + 1 divides x^m + 1 over GF(2).

n	a(n)
1	1
2	3
3	7
4	15
5	21
6	63
7	127
8	63
9	73
10	889
11	1533
12	3255
13	7905
14	11811
15	32767
16	255
17	273
18	253921
19	413385
20	761763
21	5461
22	4194303
23	2088705
24	2097151
25	10961685
26	298935
27	125829105
28	17895697
29	402653181
30	10845877
31	2097151
32	1023
33	1057
34	255652815
35	3681400539

[1, 3, 7, 15, 21, 63, 127, 63, 73, 889, 1533, 3255, 7905, 11811, 32767, 255, 273, 253921, 413385, 761763, 5461, 4194303, 2088705, 2097151, 10961685, 298935, 125829105, 17895697, 402653181, 10845877, 2097151, 1023, 1057, 255652815, 3681400539]

cp's OEIS Frontend

A046932 a(n) = period of x^n + x + 1 over GF(2), i.e., the smallest integer m>0 such that x^n + x + 1 divides x^m + 1 over GF(2).

Table of values

List of values