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.

A385899 Triangle read by rows: T(n, k, m) = binomial(n, k) * k^n * m^k * (-1)^(n - k) for m = 2.

Table of values

n a(n)
0 1
1 0
2 2
3 0
4 -4
5 16
6 0
7 6
8 -96
9 216
10 0
11 -8
12 384
13 -2592
14 4096
15 0
16 10
17 -1280
18 19440
19 -81920
20 100000
21 0
22 -12
23 3840
24 -116640
25 983040
26 -3000000
27 2985984
28 0
29 14
30 -10752
31 612360
32 -9175040
33 52500000
34 -125411328
35 105413504
36 0
37 -16
38 28672
39 -2939328
40 73400320
41 -700000000
42 3009871872
43 -5903156224
44 4294967296

List of values

[1, 0, 2, 0, -4, 16, 0, 6, -96, 216, 0, -8, 384, -2592, 4096, 0, 10, -1280, 19440, -81920, 100000, 0, -12, 3840, -116640, 983040, -3000000, 2985984, 0, 14, -10752, 612360, -9175040, 52500000, -125411328, 105413504, 0, -16, 28672, -2939328, 73400320, -700000000, 3009871872, -5903156224, 4294967296]