A262881 - cp's OEIS frontend

A262881 Regular triangle where the n-th row lists the integers k between 0 and n ordered by increasing value of the Hamming weight of k, and if equal by increasing value of k.

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	2
9	3
10	0
11	1
12	2
13	4
14	3
15	0
16	1
17	2
18	4
19	3
20	5
21	0
22	1
23	2
24	4
25	3
26	5
27	6
28	0
29	1
30	2
31	4
32	3
33	5
34	6
35	7
36	0
37	1
38	2
39	4
40	8
41	3
42	5
43	6
44	7
45	0
46	1
47	2
48	4
49	8
50	3
51	5
52	6
53	9
54	7
55	0
56	1
57	2
58	4
59	8
60	3
61	5
62	6
63	9
64	10
65	7
66	0
67	1
68	2
69	4
70	8
71	3
72	5
73	6
74	9
75	10
76	7
77	11
78	0
79	1
80	2
81	4
82	8
83	3
84	5
85	6
86	9
87	10
88	12
89	7
90	11

[0, 0, 1, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 4, 3, 0, 1, 2, 4, 3, 5, 0, 1, 2, 4, 3, 5, 6, 0, 1, 2, 4, 3, 5, 6, 7, 0, 1, 2, 4, 8, 3, 5, 6, 7, 0, 1, 2, 4, 8, 3, 5, 6, 9, 7, 0, 1, 2, 4, 8, 3, 5, 6, 9, 10, 7, 0, 1, 2, 4, 8, 3, 5, 6, 9, 10, 7, 11, 0, 1, 2, 4, 8, 3, 5, 6, 9, 10, 12, 7, 11]

cp's OEIS Frontend

A262881 Regular triangle where the n-th row lists the integers k between 0 and n ordered by increasing value of the Hamming weight of k, and if equal by increasing value of k.

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	2
9	3
10	0
11	1
12	2
13	4
14	3
15	0
16	1
17	2
18	4
19	3
20	5
21	0
22	1
23	2
24	4
25	3
26	5
27	6
28	0
29	1
30	2
31	4
32	3
33	5
34	6
35	7
36	0
37	1
38	2
39	4
40	8
41	3
42	5
43	6
44	7
45	0
46	1
47	2
48	4
49	8
50	3
51	5
52	6
53	9
54	7
55	0
56	1
57	2
58	4
59	8
60	3
61	5
62	6
63	9
64	10
65	7
66	0
67	1
68	2
69	4
70	8
71	3
72	5
73	6
74	9
75	10
76	7
77	11
78	0
79	1
80	2
81	4
82	8
83	3
84	5
85	6
86	9
87	10
88	12
89	7
90	11

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	2
9	3
10	0
11	1
12	2
13	4
14	3
15	0
16	1
17	2
18	4
19	3
20	5
21	0
22	1
23	2
24	4
25	3
26	5
27	6
28	0
29	1
30	2
31	4
32	3
33	5
34	6
35	7
36	0
37	1
38	2
39	4
40	8
41	3
42	5
43	6
44	7
45	0
46	1
47	2
48	4
49	8
50	3
51	5
52	6
53	9
54	7
55	0
56	1
57	2
58	4
59	8
60	3
61	5
62	6
63	9
64	10
65	7
66	0
67	1
68	2
69	4
70	8
71	3
72	5
73	6
74	9
75	10
76	7
77	11
78	0
79	1
80	2
81	4
82	8
83	3
84	5
85	6
86	9
87	10
88	12
89	7
90	11

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	2
9	3
10	0
11	1
12	2
13	4
14	3
15	0
16	1
17	2
18	4
19	3
20	5
21	0
22	1
23	2
24	4
25	3
26	5
27	6
28	0
29	1
30	2
31	4
32	3
33	5
34	6
35	7
36	0
37	1
38	2
39	4
40	8
41	3
42	5
43	6
44	7
45	0
46	1
47	2
48	4
49	8
50	3
51	5
52	6
53	9
54	7
55	0
56	1
57	2
58	4
59	8
60	3
61	5
62	6
63	9
64	10
65	7
66	0
67	1
68	2
69	4
70	8
71	3
72	5
73	6
74	9
75	10
76	7
77	11
78	0
79	1
80	2
81	4
82	8
83	3
84	5
85	6
86	9
87	10
88	12
89	7
90	11