A026262 - cp's OEIS frontend

A026262 Beginning with the natural numbers, swap [ ksqrt(5) ] and [ (k/4)(5 + sqrt(5)) ], for all k >= 1.

n	a(n)
1	2
2	1
3	4
4	3
5	6
6	5
7	8
8	7
9	11
10	13
11	9
12	15
13	10
14	17
15	12
16	20
17	14
18	22
19	24
20	16
21	26
22	18
23	29
24	19
25	31
26	21
27	33
28	35
29	23
30	38
31	25
32	40
33	27
34	42
35	28
36	44
37	46
38	30
39	49
40	32
41	51
42	34
43	53
44	36
45	55
46	37
47	58
48	60
49	39
50	62
51	41
52	64
53	43
54	67
55	45
56	69
57	71
58	47
59	73
60	48
61	76
62	50
63	78

[2, 1, 4, 3, 6, 5, 8, 7, 11, 13, 9, 15, 10, 17, 12, 20, 14, 22, 24, 16, 26, 18, 29, 19, 31, 21, 33, 35, 23, 38, 25, 40, 27, 42, 28, 44, 46, 30, 49, 32, 51, 34, 53, 36, 55, 37, 58, 60, 39, 62, 41, 64, 43, 67, 45, 69, 71, 47, 73, 48, 76, 50, 78]

cp's OEIS Frontend

A026262 Beginning with the natural numbers, swap [ ksqrt(5) ] and [ (k/4)(5 + sqrt(5)) ], for all k >= 1.

Table of values

List of values

n	a(n)
1	2
2	1
3	4
4	3
5	6
6	5
7	8
8	7
9	11
10	13
11	9
12	15
13	10
14	17
15	12
16	20
17	14
18	22
19	24
20	16
21	26
22	18
23	29
24	19
25	31
26	21
27	33
28	35
29	23
30	38
31	25
32	40
33	27
34	42
35	28
36	44
37	46
38	30
39	49
40	32
41	51
42	34
43	53
44	36
45	55
46	37
47	58
48	60
49	39
50	62
51	41
52	64
53	43
54	67
55	45
56	69
57	71
58	47
59	73
60	48
61	76
62	50
63	78

n	a(n)
1	2
2	1
3	4
4	3
5	6
6	5
7	8
8	7
9	11
10	13
11	9
12	15
13	10
14	17
15	12
16	20
17	14
18	22
19	24
20	16
21	26
22	18
23	29
24	19
25	31
26	21
27	33
28	35
29	23
30	38
31	25
32	40
33	27
34	42
35	28
36	44
37	46
38	30
39	49
40	32
41	51
42	34
43	53
44	36
45	55
46	37
47	58
48	60
49	39
50	62
51	41
52	64
53	43
54	67
55	45
56	69
57	71
58	47
59	73
60	48
61	76
62	50
63	78

cp's OEIS Frontend

A026262 Beginning with the natural numbers, swap [ k*sqrt(5) ] and [ (k/4)*(5 + sqrt(5)) ], for all k >= 1.

Table of values

List of values

A026262 Beginning with the natural numbers, swap [ ksqrt(5) ] and [ (k/4)(5 + sqrt(5)) ], for all k >= 1.

n	a(n)
1	2
2	1
3	4
4	3
5	6
6	5
7	8
8	7
9	11
10	13
11	9
12	15
13	10
14	17
15	12
16	20
17	14
18	22
19	24
20	16
21	26
22	18
23	29
24	19
25	31
26	21
27	33
28	35
29	23
30	38
31	25
32	40
33	27
34	42
35	28
36	44
37	46
38	30
39	49
40	32
41	51
42	34
43	53
44	36
45	55
46	37
47	58
48	60
49	39
50	62
51	41
52	64
53	43
54	67
55	45
56	69
57	71
58	47
59	73
60	48
61	76
62	50
63	78