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.

A089087 Triangular array of coefficients multiplied by n! of polynomials in e. These give the expected number of trials needed for the sum of uniform random variables from the interval [0,1] to exceed n+1.

Table of values

n a(n)
0 1
1 1
2 -1
3 2
4 -4
5 1
6 6
7 -18
8 12
9 -1
10 24
11 -96
12 108
13 -32
14 1
15 120
16 -600
17 960
18 -540
19 80
20 -1
21 720
22 -4320
23 9000
24 -7680
25 2430
26 -192
27 1
28 5040
29 -35280
30 90720
31 -105000
32 53760
33 -10206
34 448
35 -1
36 40320
37 -322560
38 987840
39 -1451520
40 1050000
41 -344064
42 40824
43 -1024
44 1
45 362880
46 -3265920
47 11612160
48 -20744640
49 19595520

List of values

[1, 1, -1, 2, -4, 1, 6, -18, 12, -1, 24, -96, 108, -32, 1, 120, -600, 960, -540, 80, -1, 720, -4320, 9000, -7680, 2430, -192, 1, 5040, -35280, 90720, -105000, 53760, -10206, 448, -1, 40320, -322560, 987840, -1451520, 1050000, -344064, 40824, -1024, 1, 362880, -3265920, 11612160, -20744640, 19595520]