A261015 - cp's OEIS frontend

A261015 Irregular triangle read by rows: T(n,k) (0 <= k <= 2^n-1) = number of binary strings of length n such that the smallest number whose binary representation is not visible in the string is k.

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

[1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 0, 0, 0, 1, 1, 3, 6, 4, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 4, 11, 10, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 5, 19, 21, 15, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A261015 Irregular triangle read by rows: T(n,k) (0 <= k <= 2^n-1) = number of binary strings of length n such that the smallest number whose binary representation is not visible in the string is k.

Table of values

List of values

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

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

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