A302026 - cp's OEIS frontend

A302026 Permutation of natural numbers mapping "Ludic factorization" to ordinary factorization: a(1) = 1, a(2n) = 2*a(n), a(A269379(n)) = A003961(a(n)).

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	25
20	20
21	27
22	22
23	19
24	24
25	23
26	26
27	21
28	28
29	29
30	30
31	49
32	32
33	45
34	34
35	35
36	36
37	31
38	50
39	33
40	40
41	37
42	54
43	41
44	44
45	81
46	38
47	43
48	48
49	125
50	46
51	75
52	52
53	47
54	42
55	121
56	56
57	63
58	58
59	77
60	60
61	53
62	98
63	39
64	64
65	55
66	90
67	59
68	68
69	135
70	70
71	61
72	72
73	169
74	62
75	51
76	100
77	67
78	66
79	175
80	80
81	99
82	74
83	71
84	108
85	343
86	82
87	105
88	88

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 25, 20, 27, 22, 19, 24, 23, 26, 21, 28, 29, 30, 49, 32, 45, 34, 35, 36, 31, 50, 33, 40, 37, 54, 41, 44, 81, 38, 43, 48, 125, 46, 75, 52, 47, 42, 121, 56, 63, 58, 77, 60, 53, 98, 39, 64, 55, 90, 59, 68, 135, 70, 61, 72, 169, 62, 51, 100, 67, 66, 175, 80, 99, 74, 71, 108, 343, 82, 105, 88]

cp's OEIS Frontend

A302026 Permutation of natural numbers mapping "Ludic factorization" to ordinary factorization: a(1) = 1, a(2n) = 2*a(n), a(A269379(n)) = A003961(a(n)).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	25
20	20
21	27
22	22
23	19
24	24
25	23
26	26
27	21
28	28
29	29
30	30
31	49
32	32
33	45
34	34
35	35
36	36
37	31
38	50
39	33
40	40
41	37
42	54
43	41
44	44
45	81
46	38
47	43
48	48
49	125
50	46
51	75
52	52
53	47
54	42
55	121
56	56
57	63
58	58
59	77
60	60
61	53
62	98
63	39
64	64
65	55
66	90
67	59
68	68
69	135
70	70
71	61
72	72
73	169
74	62
75	51
76	100
77	67
78	66
79	175
80	80
81	99
82	74
83	71
84	108
85	343
86	82
87	105
88	88

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	25
20	20
21	27
22	22
23	19
24	24
25	23
26	26
27	21
28	28
29	29
30	30
31	49
32	32
33	45
34	34
35	35
36	36
37	31
38	50
39	33
40	40
41	37
42	54
43	41
44	44
45	81
46	38
47	43
48	48
49	125
50	46
51	75
52	52
53	47
54	42
55	121
56	56
57	63
58	58
59	77
60	60
61	53
62	98
63	39
64	64
65	55
66	90
67	59
68	68
69	135
70	70
71	61
72	72
73	169
74	62
75	51
76	100
77	67
78	66
79	175
80	80
81	99
82	74
83	71
84	108
85	343
86	82
87	105
88	88

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	25
20	20
21	27
22	22
23	19
24	24
25	23
26	26
27	21
28	28
29	29
30	30
31	49
32	32
33	45
34	34
35	35
36	36
37	31
38	50
39	33
40	40
41	37
42	54
43	41
44	44
45	81
46	38
47	43
48	48
49	125
50	46
51	75
52	52
53	47
54	42
55	121
56	56
57	63
58	58
59	77
60	60
61	53
62	98
63	39
64	64
65	55
66	90
67	59
68	68
69	135
70	70
71	61
72	72
73	169
74	62
75	51
76	100
77	67
78	66
79	175
80	80
81	99
82	74
83	71
84	108
85	343
86	82
87	105
88	88