A246225 - cp's OEIS frontend

A246225 Number of permutations of [n] with exactly five (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=up and 0=down.

n	a(n)
15	26546042
16	0
17	0
18	222237912664
19	0
20	0
21	902675188454625274
22	523709583562561554
23	4019286730558350
24	0
25	380750072712510202319
26	378380322018952109375
27	6458041428528147414728302
28	18033623516991092062500
29	51609923138804798955087048
30	809786012867038620000000

[26546042, 0, 0, 222237912664, 0, 0, 902675188454625274, 523709583562561554, 4019286730558350, 0, 380750072712510202319, 378380322018952109375, 6458041428528147414728302, 18033623516991092062500, 51609923138804798955087048, 809786012867038620000000]

cp's OEIS Frontend

A246225 Number of permutations of [n] with exactly five (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=up and 0=down.

Table of values

List of values