A245606 - cp's OEIS frontend

A245606 Permutation of natural numbers: a(1) = 1, a(2n) = 1 + A003961(a(n)), a(2n+1) = A003961(1+a(n)). [Where A003961(n) shifts the prime factorization of n one step left].

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	9
8	10
9	7
10	8
11	15
12	16
13	11
14	26
15	21
16	22
17	13
18	12
19	27
20	28
21	25
22	36
23	81
24	82
25	19
26	14
27	45
28	52
29	125
30	56
31	39
32	40
33	29
34	18
35	33
36	46
37	17
38	126
39	99
40	100
41	31
42	50
43	51
44	226
45	41
46	626
47	129
48	130
49	89
50	24
51	63
52	34
53	35
54	176
55	87
56	154
57	59
58	344
59	825
60	298
61	115
62	86
63	189
64	190
65	43
66	32
67	105
68	76
69	23
70	66
71	57
72	88
73	53
74	20

[1, 2, 3, 4, 5, 6, 9, 10, 7, 8, 15, 16, 11, 26, 21, 22, 13, 12, 27, 28, 25, 36, 81, 82, 19, 14, 45, 52, 125, 56, 39, 40, 29, 18, 33, 46, 17, 126, 99, 100, 31, 50, 51, 226, 41, 626, 129, 130, 89, 24, 63, 34, 35, 176, 87, 154, 59, 344, 825, 298, 115, 86, 189, 190, 43, 32, 105, 76, 23, 66, 57, 88, 53, 20]

cp's OEIS Frontend

A245606 Permutation of natural numbers: a(1) = 1, a(2n) = 1 + A003961(a(n)), a(2n+1) = A003961(1+a(n)). [Where A003961(n) shifts the prime factorization of n one step left].

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	9
8	10
9	7
10	8
11	15
12	16
13	11
14	26
15	21
16	22
17	13
18	12
19	27
20	28
21	25
22	36
23	81
24	82
25	19
26	14
27	45
28	52
29	125
30	56
31	39
32	40
33	29
34	18
35	33
36	46
37	17
38	126
39	99
40	100
41	31
42	50
43	51
44	226
45	41
46	626
47	129
48	130
49	89
50	24
51	63
52	34
53	35
54	176
55	87
56	154
57	59
58	344
59	825
60	298
61	115
62	86
63	189
64	190
65	43
66	32
67	105
68	76
69	23
70	66
71	57
72	88
73	53
74	20

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	9
8	10
9	7
10	8
11	15
12	16
13	11
14	26
15	21
16	22
17	13
18	12
19	27
20	28
21	25
22	36
23	81
24	82
25	19
26	14
27	45
28	52
29	125
30	56
31	39
32	40
33	29
34	18
35	33
36	46
37	17
38	126
39	99
40	100
41	31
42	50
43	51
44	226
45	41
46	626
47	129
48	130
49	89
50	24
51	63
52	34
53	35
54	176
55	87
56	154
57	59
58	344
59	825
60	298
61	115
62	86
63	189
64	190
65	43
66	32
67	105
68	76
69	23
70	66
71	57
72	88
73	53
74	20

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	9
8	10
9	7
10	8
11	15
12	16
13	11
14	26
15	21
16	22
17	13
18	12
19	27
20	28
21	25
22	36
23	81
24	82
25	19
26	14
27	45
28	52
29	125
30	56
31	39
32	40
33	29
34	18
35	33
36	46
37	17
38	126
39	99
40	100
41	31
42	50
43	51
44	226
45	41
46	626
47	129
48	130
49	89
50	24
51	63
52	34
53	35
54	176
55	87
56	154
57	59
58	344
59	825
60	298
61	115
62	86
63	189
64	190
65	43
66	32
67	105
68	76
69	23
70	66
71	57
72	88
73	53
74	20