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.

A064315 Triangle of number of permutations by length of shortest ascending run.

Table of values

n a(n)
1 1
2 1
3 1
4 5
5 0
6 1
7 18
8 5
9 0
10 1
11 101
12 18
13 0
14 0
15 1
16 611
17 89
18 19
19 0
20 0
21 1
22 4452
23 519
24 68
25 0
26 0
27 0
28 1
29 36287
30 3853
31 110
32 69
33 0
34 0
35 0
36 1
37 333395
38 27555
39 1679
40 250
41 0
42 0
43 0
44 0
45 1
46 3382758
47 233431
48 11941
49 418
50 251
51 0
52 0
53 0
54 0
55 1
56 37688597
57 2167152
58 59470
59 658
60 922
61 0
62 0
63 0
64 0
65 0
66 1

List of values

[1, 1, 1, 5, 0, 1, 18, 5, 0, 1, 101, 18, 0, 0, 1, 611, 89, 19, 0, 0, 1, 4452, 519, 68, 0, 0, 0, 1, 36287, 3853, 110, 69, 0, 0, 0, 1, 333395, 27555, 1679, 250, 0, 0, 0, 0, 1, 3382758, 233431, 11941, 418, 251, 0, 0, 0, 0, 1, 37688597, 2167152, 59470, 658, 922, 0, 0, 0, 0, 0, 1]