A256008 - cp's OEIS frontend

A256008 Self-inverse permutation of positive integers: 4k+1 is swapped with 4k+3, and 4k+2 with 4k+4.

n	a(n)
1	3
2	4
3	1
4	2
5	7
6	8
7	5
8	6
9	11
10	12
11	9
12	10
13	15
14	16
15	13
16	14
17	19
18	20
19	17
20	18
21	23
22	24
23	21
24	22
25	27
26	28
27	25
28	26
29	31
30	32
31	29
32	30
33	35
34	36
35	33
36	34
37	39
38	40
39	37
40	38
41	43
42	44
43	41
44	42
45	47
46	48
47	45
48	46
49	51
50	52
51	49
52	50
53	55
54	56
55	53
56	54
57	59
58	60
59	57
60	58
61	63
62	64
63	61
64	62
65	67
66	68
67	65
68	66
69	71
70	72
71	69
72	70
73	75
74	76
75	73
76	74
77	79

[3, 4, 1, 2, 7, 8, 5, 6, 11, 12, 9, 10, 15, 16, 13, 14, 19, 20, 17, 18, 23, 24, 21, 22, 27, 28, 25, 26, 31, 32, 29, 30, 35, 36, 33, 34, 39, 40, 37, 38, 43, 44, 41, 42, 47, 48, 45, 46, 51, 52, 49, 50, 55, 56, 53, 54, 59, 60, 57, 58, 63, 64, 61, 62, 67, 68, 65, 66, 71, 72, 69, 70, 75, 76, 73, 74, 79]

cp's OEIS Frontend

A256008 Self-inverse permutation of positive integers: 4k+1 is swapped with 4k+3, and 4k+2 with 4k+4.

Table of values

List of values

n	a(n)
1	3
2	4
3	1
4	2
5	7
6	8
7	5
8	6
9	11
10	12
11	9
12	10
13	15
14	16
15	13
16	14
17	19
18	20
19	17
20	18
21	23
22	24
23	21
24	22
25	27
26	28
27	25
28	26
29	31
30	32
31	29
32	30
33	35
34	36
35	33
36	34
37	39
38	40
39	37
40	38
41	43
42	44
43	41
44	42
45	47
46	48
47	45
48	46
49	51
50	52
51	49
52	50
53	55
54	56
55	53
56	54
57	59
58	60
59	57
60	58
61	63
62	64
63	61
64	62
65	67
66	68
67	65
68	66
69	71
70	72
71	69
72	70
73	75
74	76
75	73
76	74
77	79

n	a(n)
1	3
2	4
3	1
4	2
5	7
6	8
7	5
8	6
9	11
10	12
11	9
12	10
13	15
14	16
15	13
16	14
17	19
18	20
19	17
20	18
21	23
22	24
23	21
24	22
25	27
26	28
27	25
28	26
29	31
30	32
31	29
32	30
33	35
34	36
35	33
36	34
37	39
38	40
39	37
40	38
41	43
42	44
43	41
44	42
45	47
46	48
47	45
48	46
49	51
50	52
51	49
52	50
53	55
54	56
55	53
56	54
57	59
58	60
59	57
60	58
61	63
62	64
63	61
64	62
65	67
66	68
67	65
68	66
69	71
70	72
71	69
72	70
73	75
74	76
75	73
76	74
77	79

n	a(n)
1	3
2	4
3	1
4	2
5	7
6	8
7	5
8	6
9	11
10	12
11	9
12	10
13	15
14	16
15	13
16	14
17	19
18	20
19	17
20	18
21	23
22	24
23	21
24	22
25	27
26	28
27	25
28	26
29	31
30	32
31	29
32	30
33	35
34	36
35	33
36	34
37	39
38	40
39	37
40	38
41	43
42	44
43	41
44	42
45	47
46	48
47	45
48	46
49	51
50	52
51	49
52	50
53	55
54	56
55	53
56	54
57	59
58	60
59	57
60	58
61	63
62	64
63	61
64	62
65	67
66	68
67	65
68	66
69	71
70	72
71	69
72	70
73	75
74	76
75	73
76	74
77	79