A026259 - cp's OEIS frontend

A026259 a(n) = (1/2)*s(n), where s(n) is the n-th even number in A026255.

n	a(n)
1	1
2	2
3	3
4	7
5	4
6	8
7	9
8	5
9	6
10	13
11	14
12	15
13	10
14	20
15	11
16	21
17	22
18	12
19	26
20	27
21	28
22	16
23	17
24	33
25	18
26	34
27	35
28	19
29	39
30	40
31	41
32	23
33	24
34	46
35	25
36	47
37	52
38	53
39	54
40	29
41	30
42	31
43	59
44	32
45	60
46	65
47	66
48	67
49	36
50	37
51	38
52	72
53	73
54	78
55	42
56	79
57	80
58	43
59	44
60	45
61	85
62	86
63	48

[1, 2, 3, 7, 4, 8, 9, 5, 6, 13, 14, 15, 10, 20, 11, 21, 22, 12, 26, 27, 28, 16, 17, 33, 18, 34, 35, 19, 39, 40, 41, 23, 24, 46, 25, 47, 52, 53, 54, 29, 30, 31, 59, 32, 60, 65, 66, 67, 36, 37, 38, 72, 73, 78, 42, 79, 80, 43, 44, 45, 85, 86, 48]

cp's OEIS Frontend

A026259 a(n) = (1/2)*s(n), where s(n) is the n-th even number in A026255.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	7
5	4
6	8
7	9
8	5
9	6
10	13
11	14
12	15
13	10
14	20
15	11
16	21
17	22
18	12
19	26
20	27
21	28
22	16
23	17
24	33
25	18
26	34
27	35
28	19
29	39
30	40
31	41
32	23
33	24
34	46
35	25
36	47
37	52
38	53
39	54
40	29
41	30
42	31
43	59
44	32
45	60
46	65
47	66
48	67
49	36
50	37
51	38
52	72
53	73
54	78
55	42
56	79
57	80
58	43
59	44
60	45
61	85
62	86
63	48

n	a(n)
1	1
2	2
3	3
4	7
5	4
6	8
7	9
8	5
9	6
10	13
11	14
12	15
13	10
14	20
15	11
16	21
17	22
18	12
19	26
20	27
21	28
22	16
23	17
24	33
25	18
26	34
27	35
28	19
29	39
30	40
31	41
32	23
33	24
34	46
35	25
36	47
37	52
38	53
39	54
40	29
41	30
42	31
43	59
44	32
45	60
46	65
47	66
48	67
49	36
50	37
51	38
52	72
53	73
54	78
55	42
56	79
57	80
58	43
59	44
60	45
61	85
62	86
63	48

n	a(n)
1	1
2	2
3	3
4	7
5	4
6	8
7	9
8	5
9	6
10	13
11	14
12	15
13	10
14	20
15	11
16	21
17	22
18	12
19	26
20	27
21	28
22	16
23	17
24	33
25	18
26	34
27	35
28	19
29	39
30	40
31	41
32	23
33	24
34	46
35	25
36	47
37	52
38	53
39	54
40	29
41	30
42	31
43	59
44	32
45	60
46	65
47	66
48	67
49	36
50	37
51	38
52	72
53	73
54	78
55	42
56	79
57	80
58	43
59	44
60	45
61	85
62	86
63	48