A351939 - cp's OEIS frontend

A351939 Irregular triangle read by rows: the n-th row contains the values 0..2^n-1 sorted first by Hamming weight and then by position in reflected Gray code.

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	2
6	3
7	0
8	1
9	2
10	4
11	3
12	6
13	5
14	7
15	0
16	1
17	2
18	4
19	8
20	3
21	6
22	5
23	12
24	10
25	9
26	7
27	13
28	14
29	11
30	15
31	0
32	1
33	2
34	4
35	8
36	16
37	3
38	6
39	5
40	12
41	10
42	9
43	24
44	20
45	18
46	17
47	7
48	13
49	14
50	11
51	25
52	26
53	28
54	21
55	22
56	19
57	15
58	27
59	30
60	29
61	23
62	31
63	0
64	1
65	2
66	4
67	8
68	16
69	32
70	3
71	6
72	5
73	12
74	10
75	9
76	24
77	20
78	18
79	17
80	48
81	40
82	36
83	34
84	33
85	7
86	13
87	14
88	11
89	25

[0, 0, 1, 0, 1, 2, 3, 0, 1, 2, 4, 3, 6, 5, 7, 0, 1, 2, 4, 8, 3, 6, 5, 12, 10, 9, 7, 13, 14, 11, 15, 0, 1, 2, 4, 8, 16, 3, 6, 5, 12, 10, 9, 24, 20, 18, 17, 7, 13, 14, 11, 25, 26, 28, 21, 22, 19, 15, 27, 30, 29, 23, 31, 0, 1, 2, 4, 8, 16, 32, 3, 6, 5, 12, 10, 9, 24, 20, 18, 17, 48, 40, 36, 34, 33, 7, 13, 14, 11, 25]

cp's OEIS Frontend

A351939 Irregular triangle read by rows: the n-th row contains the values 0..2^n-1 sorted first by Hamming weight and then by position in reflected Gray code.

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	2
6	3
7	0
8	1
9	2
10	4
11	3
12	6
13	5
14	7
15	0
16	1
17	2
18	4
19	8
20	3
21	6
22	5
23	12
24	10
25	9
26	7
27	13
28	14
29	11
30	15
31	0
32	1
33	2
34	4
35	8
36	16
37	3
38	6
39	5
40	12
41	10
42	9
43	24
44	20
45	18
46	17
47	7
48	13
49	14
50	11
51	25
52	26
53	28
54	21
55	22
56	19
57	15
58	27
59	30
60	29
61	23
62	31
63	0
64	1
65	2
66	4
67	8
68	16
69	32
70	3
71	6
72	5
73	12
74	10
75	9
76	24
77	20
78	18
79	17
80	48
81	40
82	36
83	34
84	33
85	7
86	13
87	14
88	11
89	25

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	2
6	3
7	0
8	1
9	2
10	4
11	3
12	6
13	5
14	7
15	0
16	1
17	2
18	4
19	8
20	3
21	6
22	5
23	12
24	10
25	9
26	7
27	13
28	14
29	11
30	15
31	0
32	1
33	2
34	4
35	8
36	16
37	3
38	6
39	5
40	12
41	10
42	9
43	24
44	20
45	18
46	17
47	7
48	13
49	14
50	11
51	25
52	26
53	28
54	21
55	22
56	19
57	15
58	27
59	30
60	29
61	23
62	31
63	0
64	1
65	2
66	4
67	8
68	16
69	32
70	3
71	6
72	5
73	12
74	10
75	9
76	24
77	20
78	18
79	17
80	48
81	40
82	36
83	34
84	33
85	7
86	13
87	14
88	11
89	25

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	2
6	3
7	0
8	1
9	2
10	4
11	3
12	6
13	5
14	7
15	0
16	1
17	2
18	4
19	8
20	3
21	6
22	5
23	12
24	10
25	9
26	7
27	13
28	14
29	11
30	15
31	0
32	1
33	2
34	4
35	8
36	16
37	3
38	6
39	5
40	12
41	10
42	9
43	24
44	20
45	18
46	17
47	7
48	13
49	14
50	11
51	25
52	26
53	28
54	21
55	22
56	19
57	15
58	27
59	30
60	29
61	23
62	31
63	0
64	1
65	2
66	4
67	8
68	16
69	32
70	3
71	6
72	5
73	12
74	10
75	9
76	24
77	20
78	18
79	17
80	48
81	40
82	36
83	34
84	33
85	7
86	13
87	14
88	11
89	25