A354901 - cp's OEIS frontend

A354901 a(n) = (b(2n) - 1)/2 - n for n > 0. To get b(n) start with A = n and then for i = 0..f(n) apply A := A + 2^i*T(A, f(n) - i) where T(n, k) = floor(n/2^k) mod 2 and f(n) = A000523(n).

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	5
8	8
9	12
10	10
11	14
12	13
13	11
14	15
15	9
16	16
17	24
18	20
19	28
20	22
21	30
22	18
23	26
24	25
25	21
26	29
27	23
28	31
29	19
30	27
31	17
32	32
33	48
34	40
35	56
36	36
37	52
38	44
39	60
40	42
41	58
42	38
43	54
44	46
45	62
46	34
47	50
48	49
49	41
50	57
51	37
52	53
53	45
54	61
55	43
56	59
57	39
58	55
59	47
60	63
61	35
62	51
63	33
64	64
65	96
66	80
67	112

[1, 2, 3, 4, 6, 7, 5, 8, 12, 10, 14, 13, 11, 15, 9, 16, 24, 20, 28, 22, 30, 18, 26, 25, 21, 29, 23, 31, 19, 27, 17, 32, 48, 40, 56, 36, 52, 44, 60, 42, 58, 38, 54, 46, 62, 34, 50, 49, 41, 57, 37, 53, 45, 61, 43, 59, 39, 55, 47, 63, 35, 51, 33, 64, 96, 80, 112]

cp's OEIS Frontend

A354901 a(n) = (b(2n) - 1)/2 - n for n > 0. To get b(n) start with A = n and then for i = 0..f(n) apply A := A + 2^i*T(A, f(n) - i) where T(n, k) = floor(n/2^k) mod 2 and f(n) = A000523(n).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	5
8	8
9	12
10	10
11	14
12	13
13	11
14	15
15	9
16	16
17	24
18	20
19	28
20	22
21	30
22	18
23	26
24	25
25	21
26	29
27	23
28	31
29	19
30	27
31	17
32	32
33	48
34	40
35	56
36	36
37	52
38	44
39	60
40	42
41	58
42	38
43	54
44	46
45	62
46	34
47	50
48	49
49	41
50	57
51	37
52	53
53	45
54	61
55	43
56	59
57	39
58	55
59	47
60	63
61	35
62	51
63	33
64	64
65	96
66	80
67	112

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	5
8	8
9	12
10	10
11	14
12	13
13	11
14	15
15	9
16	16
17	24
18	20
19	28
20	22
21	30
22	18
23	26
24	25
25	21
26	29
27	23
28	31
29	19
30	27
31	17
32	32
33	48
34	40
35	56
36	36
37	52
38	44
39	60
40	42
41	58
42	38
43	54
44	46
45	62
46	34
47	50
48	49
49	41
50	57
51	37
52	53
53	45
54	61
55	43
56	59
57	39
58	55
59	47
60	63
61	35
62	51
63	33
64	64
65	96
66	80
67	112

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	5
8	8
9	12
10	10
11	14
12	13
13	11
14	15
15	9
16	16
17	24
18	20
19	28
20	22
21	30
22	18
23	26
24	25
25	21
26	29
27	23
28	31
29	19
30	27
31	17
32	32
33	48
34	40
35	56
36	36
37	52
38	44
39	60
40	42
41	58
42	38
43	54
44	46
45	62
46	34
47	50
48	49
49	41
50	57
51	37
52	53
53	45
54	61
55	43
56	59
57	39
58	55
59	47
60	63
61	35
62	51
63	33
64	64
65	96
66	80
67	112