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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.

A244131 Triangle read by rows: terms T(n,k) of a binomial decomposition of n as Sum(k=0..n)T(n,k).

Table of values

n a(n)
0 0
1 0
2 1
3 0
4 4
5 -2
6 0
7 12
8 -18
9 9
10 0
11 32
12 -108
13 144
14 -64
15 0
16 80
17 -540
18 1440
19 -1600
20 625
21 0
22 192
23 -2430
24 11520
25 -24000
26 22500
27 -7776
28 0
29 448
30 -10206
31 80640
32 -280000
33 472500
34 -381024
35 117649
36 0
37 1024
38 -40824
39 516096
40 -2800000
41 7560000
42 -10668672
43 7529536
44 -2097152

List of values

[0, 0, 1, 0, 4, -2, 0, 12, -18, 9, 0, 32, -108, 144, -64, 0, 80, -540, 1440, -1600, 625, 0, 192, -2430, 11520, -24000, 22500, -7776, 0, 448, -10206, 80640, -280000, 472500, -381024, 117649, 0, 1024, -40824, 516096, -2800000, 7560000, -10668672, 7529536, -2097152]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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