A245701 - cp's OEIS frontend

A245701 Permutation of natural numbers: a(1) = 1, a(A014580(n)) = 2a(n), a(A091242(n)) = 2a(n)+1, where A014580(n) = binary code for n-th irreducible polynomial over GF(2), A091242(n) = binary code for n-th reducible polynomial over GF(2).

n	a(n)
1	1
2	2
3	4
4	3
5	5
6	9
7	8
8	7
9	11
10	19
11	6
12	17
13	10
14	15
15	23
16	39
17	13
18	35
19	18
20	21
21	31
22	47
23	79
24	27
25	16
26	71
27	37
28	43
29	63
30	95
31	14
32	159
33	55
34	33
35	143
36	75
37	22
38	87
39	127
40	191
41	38
42	29
43	319
44	111
45	67
46	287
47	12
48	151
49	45
50	175
51	255
52	383
53	77
54	59
55	34
56	639
57	223
58	135
59	20
60	575
61	30
62	25
63	303
64	91
65	351
66	511
67	46
68	767
69	155
70	119
71	69
72	1279
73	78
74	447
75	271
76	41
77	1151
78	61
79	51

[1, 2, 4, 3, 5, 9, 8, 7, 11, 19, 6, 17, 10, 15, 23, 39, 13, 35, 18, 21, 31, 47, 79, 27, 16, 71, 37, 43, 63, 95, 14, 159, 55, 33, 143, 75, 22, 87, 127, 191, 38, 29, 319, 111, 67, 287, 12, 151, 45, 175, 255, 383, 77, 59, 34, 639, 223, 135, 20, 575, 30, 25, 303, 91, 351, 511, 46, 767, 155, 119, 69, 1279, 78, 447, 271, 41, 1151, 61, 51]

cp's OEIS Frontend

A245701 Permutation of natural numbers: a(1) = 1, a(A014580(n)) = 2a(n), a(A091242(n)) = 2a(n)+1, where A014580(n) = binary code for n-th irreducible polynomial over GF(2), A091242(n) = binary code for n-th reducible polynomial over GF(2).

Table of values

List of values

cp's OEIS Frontend

A245701 Permutation of natural numbers: a(1) = 1, a(A014580(n)) = 2*a(n), a(A091242(n)) = 2*a(n)+1, where A014580(n) = binary code for n-th irreducible polynomial over GF(2), A091242(n) = binary code for n-th reducible polynomial over GF(2).

Table of values

List of values

A245701 Permutation of natural numbers: a(1) = 1, a(A014580(n)) = 2a(n), a(A091242(n)) = 2a(n)+1, where A014580(n) = binary code for n-th irreducible polynomial over GF(2), A091242(n) = binary code for n-th reducible polynomial over GF(2).