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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.

A244127 Triangle read by rows: terms T(n,k) of a binomial decomposition of 2^n-1 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 3
6 0
7 0
8 -9
9 16
10 0
11 0
12 18
13 -128
14 125
15 0
16 0
17 -30
18 640
19 -1875
20 1296
21 0
22 0
23 45
24 -2560
25 16875
26 -31104
27 16807
28 0
29 0
30 -63
31 8960
32 -118125
33 435456
34 -588245
35 262144
36 0
37 0
38 84
39 -28672
40 708750
41 -4644864
42 11764900
43 -12582912
44 4782969

List of values

[0, 0, 1, 0, 0, 3, 0, 0, -9, 16, 0, 0, 18, -128, 125, 0, 0, -30, 640, -1875, 1296, 0, 0, 45, -2560, 16875, -31104, 16807, 0, 0, -63, 8960, -118125, 435456, -588245, 262144, 0, 0, 84, -28672, 708750, -4644864, 11764900, -12582912, 4782969]