A085207 - cp's OEIS frontend

A085207 Array A(x,y): concatenation of binary expansions of x & y, listed antidiagonalwise as A(0,0), A(1,0), A(0,1), A(2,0), A(1,1), A(0,2), ... Zero is expanded as an empty string.

n	a(n)
0	0
1	1
2	1
3	2
4	3
5	2
6	3
7	5
8	6
9	3
10	4
11	7
12	10
13	7
14	4
15	5
16	9
17	14
18	11
19	12
20	5
21	6
22	11
23	18
24	15
25	20
26	13
27	6
28	7
29	13
30	22
31	19
32	28
33	21
34	14
35	7
36	8
37	15
38	26
39	23
40	36
41	29
42	22
43	15
44	8
45	9
46	17
47	30
48	27
49	44
50	37
51	30
52	23
53	24
54	9
55	10
56	19
57	34
58	31
59	52
60	45
61	38
62	31
63	40
64	25
65	10
66	11
67	21
68	38
69	35
70	60
71	53
72	46
73	39
74	56
75	41
76	26
77	11

[0, 1, 1, 2, 3, 2, 3, 5, 6, 3, 4, 7, 10, 7, 4, 5, 9, 14, 11, 12, 5, 6, 11, 18, 15, 20, 13, 6, 7, 13, 22, 19, 28, 21, 14, 7, 8, 15, 26, 23, 36, 29, 22, 15, 8, 9, 17, 30, 27, 44, 37, 30, 23, 24, 9, 10, 19, 34, 31, 52, 45, 38, 31, 40, 25, 10, 11, 21, 38, 35, 60, 53, 46, 39, 56, 41, 26, 11]

cp's OEIS Frontend

A085207 Array A(x,y): concatenation of binary expansions of x & y, listed antidiagonalwise as A(0,0), A(1,0), A(0,1), A(2,0), A(1,1), A(0,2), ... Zero is expanded as an empty string.

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	2
4	3
5	2
6	3
7	5
8	6
9	3
10	4
11	7
12	10
13	7
14	4
15	5
16	9
17	14
18	11
19	12
20	5
21	6
22	11
23	18
24	15
25	20
26	13
27	6
28	7
29	13
30	22
31	19
32	28
33	21
34	14
35	7
36	8
37	15
38	26
39	23
40	36
41	29
42	22
43	15
44	8
45	9
46	17
47	30
48	27
49	44
50	37
51	30
52	23
53	24
54	9
55	10
56	19
57	34
58	31
59	52
60	45
61	38
62	31
63	40
64	25
65	10
66	11
67	21
68	38
69	35
70	60
71	53
72	46
73	39
74	56
75	41
76	26
77	11

n	a(n)
0	0
1	1
2	1
3	2
4	3
5	2
6	3
7	5
8	6
9	3
10	4
11	7
12	10
13	7
14	4
15	5
16	9
17	14
18	11
19	12
20	5
21	6
22	11
23	18
24	15
25	20
26	13
27	6
28	7
29	13
30	22
31	19
32	28
33	21
34	14
35	7
36	8
37	15
38	26
39	23
40	36
41	29
42	22
43	15
44	8
45	9
46	17
47	30
48	27
49	44
50	37
51	30
52	23
53	24
54	9
55	10
56	19
57	34
58	31
59	52
60	45
61	38
62	31
63	40
64	25
65	10
66	11
67	21
68	38
69	35
70	60
71	53
72	46
73	39
74	56
75	41
76	26
77	11

n	a(n)
0	0
1	1
2	1
3	2
4	3
5	2
6	3
7	5
8	6
9	3
10	4
11	7
12	10
13	7
14	4
15	5
16	9
17	14
18	11
19	12
20	5
21	6
22	11
23	18
24	15
25	20
26	13
27	6
28	7
29	13
30	22
31	19
32	28
33	21
34	14
35	7
36	8
37	15
38	26
39	23
40	36
41	29
42	22
43	15
44	8
45	9
46	17
47	30
48	27
49	44
50	37
51	30
52	23
53	24
54	9
55	10
56	19
57	34
58	31
59	52
60	45
61	38
62	31
63	40
64	25
65	10
66	11
67	21
68	38
69	35
70	60
71	53
72	46
73	39
74	56
75	41
76	26
77	11