A072026 - cp's OEIS frontend

A072026 Swap twin prime pairs >(3,5) in prime factorization of n.

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	6
7	5
8	8
9	9
10	14
11	13
12	12
13	11
14	10
15	21
16	16
17	19
18	18
19	17
20	28
21	15
22	26
23	23
24	24
25	49
26	22
27	27
28	20
29	31
30	42
31	29
32	32
33	39
34	38
35	35
36	36
37	37
38	34
39	33
40	56
41	43
42	30
43	41
44	52
45	63
46	46
47	47
48	48
49	25
50	98
51	57
52	44
53	53
54	54
55	91
56	40
57	51
58	62
59	61
60	84
61	59
62	58
63	45
64	64
65	77
66	78

[1, 2, 3, 4, 7, 6, 5, 8, 9, 14, 13, 12, 11, 10, 21, 16, 19, 18, 17, 28, 15, 26, 23, 24, 49, 22, 27, 20, 31, 42, 29, 32, 39, 38, 35, 36, 37, 34, 33, 56, 43, 30, 41, 52, 63, 46, 47, 48, 25, 98, 57, 44, 53, 54, 91, 40, 51, 62, 61, 84, 59, 58, 45, 64, 77, 78]

cp's OEIS Frontend

A072026 Swap twin prime pairs >(3,5) in prime factorization of n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	6
7	5
8	8
9	9
10	14
11	13
12	12
13	11
14	10
15	21
16	16
17	19
18	18
19	17
20	28
21	15
22	26
23	23
24	24
25	49
26	22
27	27
28	20
29	31
30	42
31	29
32	32
33	39
34	38
35	35
36	36
37	37
38	34
39	33
40	56
41	43
42	30
43	41
44	52
45	63
46	46
47	47
48	48
49	25
50	98
51	57
52	44
53	53
54	54
55	91
56	40
57	51
58	62
59	61
60	84
61	59
62	58
63	45
64	64
65	77
66	78

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	6
7	5
8	8
9	9
10	14
11	13
12	12
13	11
14	10
15	21
16	16
17	19
18	18
19	17
20	28
21	15
22	26
23	23
24	24
25	49
26	22
27	27
28	20
29	31
30	42
31	29
32	32
33	39
34	38
35	35
36	36
37	37
38	34
39	33
40	56
41	43
42	30
43	41
44	52
45	63
46	46
47	47
48	48
49	25
50	98
51	57
52	44
53	53
54	54
55	91
56	40
57	51
58	62
59	61
60	84
61	59
62	58
63	45
64	64
65	77
66	78

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	6
7	5
8	8
9	9
10	14
11	13
12	12
13	11
14	10
15	21
16	16
17	19
18	18
19	17
20	28
21	15
22	26
23	23
24	24
25	49
26	22
27	27
28	20
29	31
30	42
31	29
32	32
33	39
34	38
35	35
36	36
37	37
38	34
39	33
40	56
41	43
42	30
43	41
44	52
45	63
46	46
47	47
48	48
49	25
50	98
51	57
52	44
53	53
54	54
55	91
56	40
57	51
58	62
59	61
60	84
61	59
62	58
63	45
64	64
65	77
66	78