cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A243105 Number of permutations of [n] with exactly ten (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=up and 0=down.

Table of values

n a(n)
15 28
16 0
17 0
18 0
19 0
20 0
21 0
22 0
23 0
24 0
25 0
26 0
27 0
28 0
29 0
30 0
31 298702188259102685572182
32 0
33 0
34 0
35 0
36 1343764184037862976125525799963820
37 0
38 0
39 0
40 0
41 0
42 899099147941632652542743156466630723477224554496
43 0
44 0
45 89963063825649646755150759614762027655562252125282

List of values

[28, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 298702188259102685572182, 0, 0, 0, 0, 1343764184037862976125525799963820, 0, 0, 0, 0, 0, 899099147941632652542743156466630723477224554496, 0, 0, 89963063825649646755150759614762027655562252125282]