A026255 - cp's OEIS frontend

A026255 Beginning with the natural numbers, swap [ ksqrt(3) ] and [ (k/2)(3 + sqrt(3)) ], for all k >= 1.

n	a(n)
1	2
2	1
3	4
4	3
5	7
6	9
7	5
8	11
9	6
10	14
11	8
12	16
13	18
14	10
15	21
16	12
17	23
18	13
19	26
20	28
21	15
22	30
23	17
24	33
25	35
26	19
27	37
28	20
29	40
30	22
31	42
32	44
33	24
34	47
35	25
36	49
37	27
38	52
39	54
40	29
41	56
42	31
43	59
44	32
45	61
46	63
47	34
48	66
49	36
50	68
51	70
52	38
53	73
54	39
55	75
56	41
57	78
58	80
59	43
60	82
61	45
62	85
63	46

[2, 1, 4, 3, 7, 9, 5, 11, 6, 14, 8, 16, 18, 10, 21, 12, 23, 13, 26, 28, 15, 30, 17, 33, 35, 19, 37, 20, 40, 22, 42, 44, 24, 47, 25, 49, 27, 52, 54, 29, 56, 31, 59, 32, 61, 63, 34, 66, 36, 68, 70, 38, 73, 39, 75, 41, 78, 80, 43, 82, 45, 85, 46]

cp's OEIS Frontend

A026255 Beginning with the natural numbers, swap [ ksqrt(3) ] and [ (k/2)(3 + sqrt(3)) ], for all k >= 1.

Table of values

List of values

n	a(n)
1	2
2	1
3	4
4	3
5	7
6	9
7	5
8	11
9	6
10	14
11	8
12	16
13	18
14	10
15	21
16	12
17	23
18	13
19	26
20	28
21	15
22	30
23	17
24	33
25	35
26	19
27	37
28	20
29	40
30	22
31	42
32	44
33	24
34	47
35	25
36	49
37	27
38	52
39	54
40	29
41	56
42	31
43	59
44	32
45	61
46	63
47	34
48	66
49	36
50	68
51	70
52	38
53	73
54	39
55	75
56	41
57	78
58	80
59	43
60	82
61	45
62	85
63	46

n	a(n)
1	2
2	1
3	4
4	3
5	7
6	9
7	5
8	11
9	6
10	14
11	8
12	16
13	18
14	10
15	21
16	12
17	23
18	13
19	26
20	28
21	15
22	30
23	17
24	33
25	35
26	19
27	37
28	20
29	40
30	22
31	42
32	44
33	24
34	47
35	25
36	49
37	27
38	52
39	54
40	29
41	56
42	31
43	59
44	32
45	61
46	63
47	34
48	66
49	36
50	68
51	70
52	38
53	73
54	39
55	75
56	41
57	78
58	80
59	43
60	82
61	45
62	85
63	46

cp's OEIS Frontend

A026255 Beginning with the natural numbers, swap [ k*sqrt(3) ] and [ (k/2)*(3 + sqrt(3)) ], for all k >= 1.

Table of values

List of values

A026255 Beginning with the natural numbers, swap [ ksqrt(3) ] and [ (k/2)(3 + sqrt(3)) ], for all k >= 1.

n	a(n)
1	2
2	1
3	4
4	3
5	7
6	9
7	5
8	11
9	6
10	14
11	8
12	16
13	18
14	10
15	21
16	12
17	23
18	13
19	26
20	28
21	15
22	30
23	17
24	33
25	35
26	19
27	37
28	20
29	40
30	22
31	42
32	44
33	24
34	47
35	25
36	49
37	27
38	52
39	54
40	29
41	56
42	31
43	59
44	32
45	61
46	63
47	34
48	66
49	36
50	68
51	70
52	38
53	73
54	39
55	75
56	41
57	78
58	80
59	43
60	82
61	45
62	85
63	46