A057477 - cp's OEIS frontend

A057477 Numbers k such that x^k + x^7 + 1 is irreducible over GF(2).

n	a(n)
1	1
2	3
3	4
4	6
5	10
6	12
7	15
8	18
9	21
10	25
11	31
12	34
13	42
14	52
15	55
16	57
17	105
18	127
19	172
20	210
21	220
22	300
23	393
24	420
25	441
26	492
27	772
28	807
29	972
30	1023
31	1071
32	1266
33	1564
34	2220
35	2242
36	3297
37	3585
38	5314
39	6300
40	7306
41	8719
42	10777
43	23647
44	26119
45	33127
46	44247
47	48036
48	48945
49	59172
50	68841

[1, 3, 4, 6, 10, 12, 15, 18, 21, 25, 31, 34, 42, 52, 55, 57, 105, 127, 172, 210, 220, 300, 393, 420, 441, 492, 772, 807, 972, 1023, 1071, 1266, 1564, 2220, 2242, 3297, 3585, 5314, 6300, 7306, 8719, 10777, 23647, 26119, 33127, 44247, 48036, 48945, 59172, 68841]

cp's OEIS Frontend

A057477 Numbers k such that x^k + x^7 + 1 is irreducible over GF(2).

Table of values

List of values