A006368 - cp's OEIS frontend

A006368 The "amusical permutation" of the nonnegative numbers: a(2n)=3n, a(4n+1)=3n+1, a(4n-1)=3n-1.

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	4
6	9
7	5
8	12
9	7
10	15
11	8
12	18
13	10
14	21
15	11
16	24
17	13
18	27
19	14
20	30
21	16
22	33
23	17
24	36
25	19
26	39
27	20
28	42
29	22
30	45
31	23
32	48
33	25
34	51
35	26
36	54
37	28
38	57
39	29
40	60
41	31
42	63
43	32
44	66
45	34
46	69
47	35
48	72
49	37
50	75
51	38
52	78
53	40
54	81
55	41
56	84
57	43
58	87
59	44
60	90
61	46
62	93
63	47
64	96
65	49
66	99
67	50
68	102
69	52
70	105
71	53

[0, 1, 3, 2, 6, 4, 9, 5, 12, 7, 15, 8, 18, 10, 21, 11, 24, 13, 27, 14, 30, 16, 33, 17, 36, 19, 39, 20, 42, 22, 45, 23, 48, 25, 51, 26, 54, 28, 57, 29, 60, 31, 63, 32, 66, 34, 69, 35, 72, 37, 75, 38, 78, 40, 81, 41, 84, 43, 87, 44, 90, 46, 93, 47, 96, 49, 99, 50, 102, 52, 105, 53]

cp's OEIS Frontend

A006368 The "amusical permutation" of the nonnegative numbers: a(2n)=3n, a(4n+1)=3n+1, a(4n-1)=3n-1.

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	4
6	9
7	5
8	12
9	7
10	15
11	8
12	18
13	10
14	21
15	11
16	24
17	13
18	27
19	14
20	30
21	16
22	33
23	17
24	36
25	19
26	39
27	20
28	42
29	22
30	45
31	23
32	48
33	25
34	51
35	26
36	54
37	28
38	57
39	29
40	60
41	31
42	63
43	32
44	66
45	34
46	69
47	35
48	72
49	37
50	75
51	38
52	78
53	40
54	81
55	41
56	84
57	43
58	87
59	44
60	90
61	46
62	93
63	47
64	96
65	49
66	99
67	50
68	102
69	52
70	105
71	53

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	4
6	9
7	5
8	12
9	7
10	15
11	8
12	18
13	10
14	21
15	11
16	24
17	13
18	27
19	14
20	30
21	16
22	33
23	17
24	36
25	19
26	39
27	20
28	42
29	22
30	45
31	23
32	48
33	25
34	51
35	26
36	54
37	28
38	57
39	29
40	60
41	31
42	63
43	32
44	66
45	34
46	69
47	35
48	72
49	37
50	75
51	38
52	78
53	40
54	81
55	41
56	84
57	43
58	87
59	44
60	90
61	46
62	93
63	47
64	96
65	49
66	99
67	50
68	102
69	52
70	105
71	53

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	4
6	9
7	5
8	12
9	7
10	15
11	8
12	18
13	10
14	21
15	11
16	24
17	13
18	27
19	14
20	30
21	16
22	33
23	17
24	36
25	19
26	39
27	20
28	42
29	22
30	45
31	23
32	48
33	25
34	51
35	26
36	54
37	28
38	57
39	29
40	60
41	31
42	63
43	32
44	66
45	34
46	69
47	35
48	72
49	37
50	75
51	38
52	78
53	40
54	81
55	41
56	84
57	43
58	87
59	44
60	90
61	46
62	93
63	47
64	96
65	49
66	99
67	50
68	102
69	52
70	105
71	53