A249745 - cp's OEIS frontend

A249745 Permutation of natural numbers: a(n) = (1 + A064989(A007310(n))) / 2.

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	9
8	10
9	5
10	12
11	15
12	8
13	16
14	19
15	21
16	22
17	13
18	24
19	11
20	27
21	30
22	17
23	31
24	34
25	36
26	18
27	37
28	40
29	20
30	42
31	28
32	26
33	45
34	49
35	51
36	52
37	54
38	55
39	29
40	33
41	25
42	14
43	57
44	64
45	43
46	66
47	69
48	39
49	35
50	70
51	75
52	44
53	76
54	48
55	79
56	82
57	61
58	84
59	23
60	87
61	90
62	47
63	46
64	91
65	96
66	97
67	99
68	58
69	56
70	60
71	100
72	62
73	73
74	72
75	106
76	112
77	114
78	115
79	65
80	117
81	120
82	38
83	94
84	121

[1, 2, 3, 4, 6, 7, 9, 10, 5, 12, 15, 8, 16, 19, 21, 22, 13, 24, 11, 27, 30, 17, 31, 34, 36, 18, 37, 40, 20, 42, 28, 26, 45, 49, 51, 52, 54, 55, 29, 33, 25, 14, 57, 64, 43, 66, 69, 39, 35, 70, 75, 44, 76, 48, 79, 82, 61, 84, 23, 87, 90, 47, 46, 91, 96, 97, 99, 58, 56, 60, 100, 62, 73, 72, 106, 112, 114, 115, 65, 117, 120, 38, 94, 121]

cp's OEIS Frontend

A249745 Permutation of natural numbers: a(n) = (1 + A064989(A007310(n))) / 2.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	9
8	10
9	5
10	12
11	15
12	8
13	16
14	19
15	21
16	22
17	13
18	24
19	11
20	27
21	30
22	17
23	31
24	34
25	36
26	18
27	37
28	40
29	20
30	42
31	28
32	26
33	45
34	49
35	51
36	52
37	54
38	55
39	29
40	33
41	25
42	14
43	57
44	64
45	43
46	66
47	69
48	39
49	35
50	70
51	75
52	44
53	76
54	48
55	79
56	82
57	61
58	84
59	23
60	87
61	90
62	47
63	46
64	91
65	96
66	97
67	99
68	58
69	56
70	60
71	100
72	62
73	73
74	72
75	106
76	112
77	114
78	115
79	65
80	117
81	120
82	38
83	94
84	121

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	9
8	10
9	5
10	12
11	15
12	8
13	16
14	19
15	21
16	22
17	13
18	24
19	11
20	27
21	30
22	17
23	31
24	34
25	36
26	18
27	37
28	40
29	20
30	42
31	28
32	26
33	45
34	49
35	51
36	52
37	54
38	55
39	29
40	33
41	25
42	14
43	57
44	64
45	43
46	66
47	69
48	39
49	35
50	70
51	75
52	44
53	76
54	48
55	79
56	82
57	61
58	84
59	23
60	87
61	90
62	47
63	46
64	91
65	96
66	97
67	99
68	58
69	56
70	60
71	100
72	62
73	73
74	72
75	106
76	112
77	114
78	115
79	65
80	117
81	120
82	38
83	94
84	121

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	9
8	10
9	5
10	12
11	15
12	8
13	16
14	19
15	21
16	22
17	13
18	24
19	11
20	27
21	30
22	17
23	31
24	34
25	36
26	18
27	37
28	40
29	20
30	42
31	28
32	26
33	45
34	49
35	51
36	52
37	54
38	55
39	29
40	33
41	25
42	14
43	57
44	64
45	43
46	66
47	69
48	39
49	35
50	70
51	75
52	44
53	76
54	48
55	79
56	82
57	61
58	84
59	23
60	87
61	90
62	47
63	46
64	91
65	96
66	97
67	99
68	58
69	56
70	60
71	100
72	62
73	73
74	72
75	106
76	112
77	114
78	115
79	65
80	117
81	120
82	38
83	94
84	121