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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.

A244143 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 0
5 2
6 0
7 0
8 18
9 -15
10 0
11 0
12 108
13 -300
14 196
15 0
16 0
17 540
18 -3750
19 6860
20 -3645
21 0
22 0
23 2430
24 -37500
25 144060
26 -196830
27 87846
28 0
29 0
30 10206
31 -328125
32 2352980
33 -6200145
34 6764142
35 -2599051
36 0
37 0
38 40824
39 -2625000
40 32941720
41 -148803480
42 297622248
43 -270301304
44 91125000

List of values

[0, 0, 1, 0, 0, 2, 0, 0, 18, -15, 0, 0, 108, -300, 196, 0, 0, 540, -3750, 6860, -3645, 0, 0, 2430, -37500, 144060, -196830, 87846, 0, 0, 10206, -328125, 2352980, -6200145, 6764142, -2599051, 0, 0, 40824, -2625000, 32941720, -148803480, 297622248, -270301304, 91125000]

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

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