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.

A099932 Triangle read by rows: nonzero coefficients of polynomials 2^n*E(n,x), with E the Euler polynomials.

Table of values

n a(n)
0 1
1 2
2 -1
3 4
4 -4
5 8
6 -12
7 2
8 16
9 -32
10 16
11 32
12 -80
13 80
14 -16
15 64
16 -192
17 320
18 -192
19 128
20 -448
21 1120
22 -1344
23 272
24 256
25 -1024
26 3584
27 -7168
28 4352
29 512
30 -2304
31 10752
32 -32256
33 39168
34 -7936
35 1024
36 -5120
37 30720
38 -129024
39 261120
40 -158720
41 2048
42 -11264

List of values

[1, 2, -1, 4, -4, 8, -12, 2, 16, -32, 16, 32, -80, 80, -16, 64, -192, 320, -192, 128, -448, 1120, -1344, 272, 256, -1024, 3584, -7168, 4352, 512, -2304, 10752, -32256, 39168, -7936, 1024, -5120, 30720, -129024, 261120, -158720, 2048, -11264]