A026250 - cp's OEIS frontend

A026250 Beginning with the natural numbers, swap [ ksqrt(2) ] and [ k(2 + sqrt(2)) ], for all k >= 1.

n	a(n)
1	3
2	6
3	1
4	10
5	13
6	2
7	17
8	20
9	23
10	4
11	27
12	30
13	5
14	34
15	37
16	40
17	7
18	44
19	47
20	8
21	51
22	54
23	9
24	58
25	61
26	64
27	11
28	68
29	71
30	12
31	75
32	78
33	81
34	14
35	85
36	88
37	15
38	92
39	95
40	16
41	99
42	102
43	105
44	18
45	109
46	112
47	19
48	116
49	119
50	122
51	21
52	126
53	129
54	22
55	133
56	136
57	139
58	24
59	143
60	146

[3, 6, 1, 10, 13, 2, 17, 20, 23, 4, 27, 30, 5, 34, 37, 40, 7, 44, 47, 8, 51, 54, 9, 58, 61, 64, 11, 68, 71, 12, 75, 78, 81, 14, 85, 88, 15, 92, 95, 16, 99, 102, 105, 18, 109, 112, 19, 116, 119, 122, 21, 126, 129, 22, 133, 136, 139, 24, 143, 146]

cp's OEIS Frontend

A026250 Beginning with the natural numbers, swap [ ksqrt(2) ] and [ k(2 + sqrt(2)) ], for all k >= 1.

Table of values

List of values

n	a(n)
1	3
2	6
3	1
4	10
5	13
6	2
7	17
8	20
9	23
10	4
11	27
12	30
13	5
14	34
15	37
16	40
17	7
18	44
19	47
20	8
21	51
22	54
23	9
24	58
25	61
26	64
27	11
28	68
29	71
30	12
31	75
32	78
33	81
34	14
35	85
36	88
37	15
38	92
39	95
40	16
41	99
42	102
43	105
44	18
45	109
46	112
47	19
48	116
49	119
50	122
51	21
52	126
53	129
54	22
55	133
56	136
57	139
58	24
59	143
60	146

n	a(n)
1	3
2	6
3	1
4	10
5	13
6	2
7	17
8	20
9	23
10	4
11	27
12	30
13	5
14	34
15	37
16	40
17	7
18	44
19	47
20	8
21	51
22	54
23	9
24	58
25	61
26	64
27	11
28	68
29	71
30	12
31	75
32	78
33	81
34	14
35	85
36	88
37	15
38	92
39	95
40	16
41	99
42	102
43	105
44	18
45	109
46	112
47	19
48	116
49	119
50	122
51	21
52	126
53	129
54	22
55	133
56	136
57	139
58	24
59	143
60	146

cp's OEIS Frontend

A026250 Beginning with the natural numbers, swap [ k*sqrt(2) ] and [ k*(2 + sqrt(2)) ], for all k >= 1.

Table of values

List of values

A026250 Beginning with the natural numbers, swap [ ksqrt(2) ] and [ k(2 + sqrt(2)) ], for all k >= 1.

n	a(n)
1	3
2	6
3	1
4	10
5	13
6	2
7	17
8	20
9	23
10	4
11	27
12	30
13	5
14	34
15	37
16	40
17	7
18	44
19	47
20	8
21	51
22	54
23	9
24	58
25	61
26	64
27	11
28	68
29	71
30	12
31	75
32	78
33	81
34	14
35	85
36	88
37	15
38	92
39	95
40	16
41	99
42	102
43	105
44	18
45	109
46	112
47	19
48	116
49	119
50	122
51	21
52	126
53	129
54	22
55	133
56	136
57	139
58	24
59	143
60	146