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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.

A362353 Triangle read by rows: T(n,k) = (-1)^(n-k)*binomial(n, k)*(k+3)^n, for n >= 0, and k = 0,1, ..., n. Coefficients of certain Sidi polynomials.

Table of values

n a(n)
0 1
1 -3
2 4
3 9
4 -32
5 25
6 -27
7 192
8 -375
9 216
10 81
11 -1024
12 3750
13 -5184
14 2401
15 -243
16 5120
17 -31250
18 77760
19 -84035
20 32768
21 729
22 -24576
23 234375
24 -933120
25 1764735
26 -1572864
27 531441
28 -2187
29 114688
30 -1640625
31 9797760
32 -28824005
33 44040192
34 -33480783
35 10000000
36 6561
37 -524288
38 10937500
39 -94058496
40 403536070
41 -939524096
42 1205308188
43 -800000000
44 214358881

List of values

[1, -3, 4, 9, -32, 25, -27, 192, -375, 216, 81, -1024, 3750, -5184, 2401, -243, 5120, -31250, 77760, -84035, 32768, 729, -24576, 234375, -933120, 1764735, -1572864, 531441, -2187, 114688, -1640625, 9797760, -28824005, 44040192, -33480783, 10000000, 6561, -524288, 10937500, -94058496, 403536070, -939524096, 1205308188, -800000000, 214358881]