A360302 - cp's OEIS frontend

A360302 T(n,k) is the position of the set encoded in the binary expansion of k within the shortlex order for the powerset of [n]; triangle T(n,k), n>=0, 0<=k<=2^n-1, read by rows.

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

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

cp's OEIS Frontend

A360302 T(n,k) is the position of the set encoded in the binary expansion of k within the shortlex order for the powerset of [n]; triangle T(n,k), n>=0, 0<=k<=2^n-1, read by rows.

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

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

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