A026166 - cp's OEIS frontend

A026166 For n >= 2, let h=floor((n-1)/2), L=n-h, R=n+h; then a(L)=n if a(L) not yet defined, otherwise a(R)=n; thus |a(n)-n| = floor((1/2)*(a(n)-1)).

n	a(n)
1	1
2	2
3	4
4	3
5	8
6	10
7	5
8	6
9	16
10	7
11	20
12	22
13	9
14	26
15	28
16	11
17	12
18	34
19	13
20	14
21	40
22	15
23	44
24	46
25	17
26	18
27	52
28	19
29	56
30	58
31	21
32	62
33	64
34	23
35	24
36	70
37	25
38	74
39	76
40	27
41	80
42	82
43	29
44	30
45	88
46	31
47	32
48	94
49	33
50	98
51	100
52	35
53	36
54	106
55	37
56	38
57	112
58	39
59	116
60	118
61	41
62	42

[1, 2, 4, 3, 8, 10, 5, 6, 16, 7, 20, 22, 9, 26, 28, 11, 12, 34, 13, 14, 40, 15, 44, 46, 17, 18, 52, 19, 56, 58, 21, 62, 64, 23, 24, 70, 25, 74, 76, 27, 80, 82, 29, 30, 88, 31, 32, 94, 33, 98, 100, 35, 36, 106, 37, 38, 112, 39, 116, 118, 41, 42]

cp's OEIS Frontend

A026166 For n >= 2, let h=floor((n-1)/2), L=n-h, R=n+h; then a(L)=n if a(L) not yet defined, otherwise a(R)=n; thus |a(n)-n| = floor((1/2)*(a(n)-1)).

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	3
5	8
6	10
7	5
8	6
9	16
10	7
11	20
12	22
13	9
14	26
15	28
16	11
17	12
18	34
19	13
20	14
21	40
22	15
23	44
24	46
25	17
26	18
27	52
28	19
29	56
30	58
31	21
32	62
33	64
34	23
35	24
36	70
37	25
38	74
39	76
40	27
41	80
42	82
43	29
44	30
45	88
46	31
47	32
48	94
49	33
50	98
51	100
52	35
53	36
54	106
55	37
56	38
57	112
58	39
59	116
60	118
61	41
62	42

n	a(n)
1	1
2	2
3	4
4	3
5	8
6	10
7	5
8	6
9	16
10	7
11	20
12	22
13	9
14	26
15	28
16	11
17	12
18	34
19	13
20	14
21	40
22	15
23	44
24	46
25	17
26	18
27	52
28	19
29	56
30	58
31	21
32	62
33	64
34	23
35	24
36	70
37	25
38	74
39	76
40	27
41	80
42	82
43	29
44	30
45	88
46	31
47	32
48	94
49	33
50	98
51	100
52	35
53	36
54	106
55	37
56	38
57	112
58	39
59	116
60	118
61	41
62	42

n	a(n)
1	1
2	2
3	4
4	3
5	8
6	10
7	5
8	6
9	16
10	7
11	20
12	22
13	9
14	26
15	28
16	11
17	12
18	34
19	13
20	14
21	40
22	15
23	44
24	46
25	17
26	18
27	52
28	19
29	56
30	58
31	21
32	62
33	64
34	23
35	24
36	70
37	25
38	74
39	76
40	27
41	80
42	82
43	29
44	30
45	88
46	31
47	32
48	94
49	33
50	98
51	100
52	35
53	36
54	106
55	37
56	38
57	112
58	39
59	116
60	118
61	41
62	42