A105027 - cp's OEIS frontend

A105027 Write numbers in binary under each other; to get the next block of 2^k (k >= 0) terms of the sequence, start at 2^k, read diagonals in upward direction and convert to decimal.

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	5
6	4
7	7
8	15
9	10
10	9
11	8
12	11
13	14
14	13
15	12
16	28
17	23
18	18
19	17
20	16
21	19
22	22
23	21
24	20
25	31
26	26
27	25
28	24
29	27
30	30
31	29
32	61
33	44
34	39
35	34
36	33
37	32
38	35
39	38
40	37
41	36
42	47
43	42
44	41
45	40
46	43
47	46
48	45
49	60
50	55
51	50
52	49
53	48
54	51
55	54
56	53
57	52
58	63
59	58
60	57
61	56
62	59
63	62
64	126
65	93
66	76
67	71
68	66
69	65
70	64
71	67
72	70

[0, 1, 3, 2, 6, 5, 4, 7, 15, 10, 9, 8, 11, 14, 13, 12, 28, 23, 18, 17, 16, 19, 22, 21, 20, 31, 26, 25, 24, 27, 30, 29, 61, 44, 39, 34, 33, 32, 35, 38, 37, 36, 47, 42, 41, 40, 43, 46, 45, 60, 55, 50, 49, 48, 51, 54, 53, 52, 63, 58, 57, 56, 59, 62, 126, 93, 76, 71, 66, 65, 64, 67, 70]

cp's OEIS Frontend

A105027 Write numbers in binary under each other; to get the next block of 2^k (k >= 0) terms of the sequence, start at 2^k, read diagonals in upward direction and convert to decimal.

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	5
6	4
7	7
8	15
9	10
10	9
11	8
12	11
13	14
14	13
15	12
16	28
17	23
18	18
19	17
20	16
21	19
22	22
23	21
24	20
25	31
26	26
27	25
28	24
29	27
30	30
31	29
32	61
33	44
34	39
35	34
36	33
37	32
38	35
39	38
40	37
41	36
42	47
43	42
44	41
45	40
46	43
47	46
48	45
49	60
50	55
51	50
52	49
53	48
54	51
55	54
56	53
57	52
58	63
59	58
60	57
61	56
62	59
63	62
64	126
65	93
66	76
67	71
68	66
69	65
70	64
71	67
72	70

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	5
6	4
7	7
8	15
9	10
10	9
11	8
12	11
13	14
14	13
15	12
16	28
17	23
18	18
19	17
20	16
21	19
22	22
23	21
24	20
25	31
26	26
27	25
28	24
29	27
30	30
31	29
32	61
33	44
34	39
35	34
36	33
37	32
38	35
39	38
40	37
41	36
42	47
43	42
44	41
45	40
46	43
47	46
48	45
49	60
50	55
51	50
52	49
53	48
54	51
55	54
56	53
57	52
58	63
59	58
60	57
61	56
62	59
63	62
64	126
65	93
66	76
67	71
68	66
69	65
70	64
71	67
72	70

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	5
6	4
7	7
8	15
9	10
10	9
11	8
12	11
13	14
14	13
15	12
16	28
17	23
18	18
19	17
20	16
21	19
22	22
23	21
24	20
25	31
26	26
27	25
28	24
29	27
30	30
31	29
32	61
33	44
34	39
35	34
36	33
37	32
38	35
39	38
40	37
41	36
42	47
43	42
44	41
45	40
46	43
47	46
48	45
49	60
50	55
51	50
52	49
53	48
54	51
55	54
56	53
57	52
58	63
59	58
60	57
61	56
62	59
63	62
64	126
65	93
66	76
67	71
68	66
69	65
70	64
71	67
72	70