A276442 - cp's OEIS frontend

A276442 Permutation of natural numbers: a(1) = 1; a(2n) = A088359(a(n)), a(2n+1) = A087686(1+a(n)), where A088359 & A087686 = numbers that occur only once & more than once in A004001.

n	a(n)
1	1
2	3
3	2
4	6
5	7
6	5
7	4
8	11
9	14
10	13
11	15
12	10
13	12
14	9
15	8
16	20
17	26
18	25
19	30
20	23
21	29
22	28
23	31
24	19
25	24
26	22
27	27
28	18
29	21
30	17
31	16
32	37
33	47
34	46
35	57
36	44
37	56
38	55
39	62
40	41
41	53
42	52
43	61
44	50
45	60
46	59
47	63
48	36
49	45
50	43
51	54
52	40
53	51
54	49
55	58
56	35
57	42
58	39
59	48
60	34
61	38
62	33
63	32
64	70
65	85
66	84
67	105
68	82
69	104
70	103
71	120
72	79
73	101
74	100
75	119
76	98
77	118
78	117
79	126
80	75
81	95
82	94

[1, 3, 2, 6, 7, 5, 4, 11, 14, 13, 15, 10, 12, 9, 8, 20, 26, 25, 30, 23, 29, 28, 31, 19, 24, 22, 27, 18, 21, 17, 16, 37, 47, 46, 57, 44, 56, 55, 62, 41, 53, 52, 61, 50, 60, 59, 63, 36, 45, 43, 54, 40, 51, 49, 58, 35, 42, 39, 48, 34, 38, 33, 32, 70, 85, 84, 105, 82, 104, 103, 120, 79, 101, 100, 119, 98, 118, 117, 126, 75, 95, 94]

cp's OEIS Frontend

A276442 Permutation of natural numbers: a(1) = 1; a(2n) = A088359(a(n)), a(2n+1) = A087686(1+a(n)), where A088359 & A087686 = numbers that occur only once & more than once in A004001.

Table of values

List of values

n	a(n)
1	1
2	3
3	2
4	6
5	7
6	5
7	4
8	11
9	14
10	13
11	15
12	10
13	12
14	9
15	8
16	20
17	26
18	25
19	30
20	23
21	29
22	28
23	31
24	19
25	24
26	22
27	27
28	18
29	21
30	17
31	16
32	37
33	47
34	46
35	57
36	44
37	56
38	55
39	62
40	41
41	53
42	52
43	61
44	50
45	60
46	59
47	63
48	36
49	45
50	43
51	54
52	40
53	51
54	49
55	58
56	35
57	42
58	39
59	48
60	34
61	38
62	33
63	32
64	70
65	85
66	84
67	105
68	82
69	104
70	103
71	120
72	79
73	101
74	100
75	119
76	98
77	118
78	117
79	126
80	75
81	95
82	94

n	a(n)
1	1
2	3
3	2
4	6
5	7
6	5
7	4
8	11
9	14
10	13
11	15
12	10
13	12
14	9
15	8
16	20
17	26
18	25
19	30
20	23
21	29
22	28
23	31
24	19
25	24
26	22
27	27
28	18
29	21
30	17
31	16
32	37
33	47
34	46
35	57
36	44
37	56
38	55
39	62
40	41
41	53
42	52
43	61
44	50
45	60
46	59
47	63
48	36
49	45
50	43
51	54
52	40
53	51
54	49
55	58
56	35
57	42
58	39
59	48
60	34
61	38
62	33
63	32
64	70
65	85
66	84
67	105
68	82
69	104
70	103
71	120
72	79
73	101
74	100
75	119
76	98
77	118
78	117
79	126
80	75
81	95
82	94

n	a(n)
1	1
2	3
3	2
4	6
5	7
6	5
7	4
8	11
9	14
10	13
11	15
12	10
13	12
14	9
15	8
16	20
17	26
18	25
19	30
20	23
21	29
22	28
23	31
24	19
25	24
26	22
27	27
28	18
29	21
30	17
31	16
32	37
33	47
34	46
35	57
36	44
37	56
38	55
39	62
40	41
41	53
42	52
43	61
44	50
45	60
46	59
47	63
48	36
49	45
50	43
51	54
52	40
53	51
54	49
55	58
56	35
57	42
58	39
59	48
60	34
61	38
62	33
63	32
64	70
65	85
66	84
67	105
68	82
69	104
70	103
71	120
72	79
73	101
74	100
75	119
76	98
77	118
78	117
79	126
80	75
81	95
82	94