A243776 - cp's OEIS frontend

A243776 Number of Dyck paths of semilength n having exactly seven (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=U=(1,1) and 0=D=(1,-1).

n	a(n)
10	17
11	0
12	0
13	0
14	0
15	16128
16	0
17	0
18	6695
19	2100
20	0
21	53635915
22	15338708
23	72
24	2004080
25	715058696
26	158698944
27	8215899828
28	8360997120
29	861521760
30	42073200
31	103648453795647
32	0
33	4069967184
34	3363112380658
35	16806651486228
36	1514241262404859
37	1140768813493596
38	18600198213831560

[17, 0, 0, 0, 0, 16128, 0, 0, 6695, 2100, 0, 53635915, 15338708, 72, 2004080, 715058696, 158698944, 8215899828, 8360997120, 861521760, 42073200, 103648453795647, 0, 4069967184, 3363112380658, 16806651486228, 1514241262404859, 1140768813493596, 18600198213831560]

cp's OEIS Frontend

A243776 Number of Dyck paths of semilength n having exactly seven (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=U=(1,1) and 0=D=(1,-1).

Table of values

List of values