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.

A179087 Triangle T(n,k) read by rows: the real part of the coefficient [x^k] of (1-x)^(n+1) * Sum_{s>=0} ((2*s + 1 + 2*i)^n)*x^s, where i is the imaginary unit.

Table of values

n a(n)
0 1
1 1
2 1
3 -3
4 14
5 -3
6 -11
7 35
8 35
9 -11
10 -7
11 -84
12 566
13 -84
14 -7
15 41
16 -843
17 2722
18 2722
19 -843
20 41
21 117
22 -2854
23 763
24 50028
25 763
26 -2854
27 117
28 29
29 -4681
30 -80211
31 407423
32 407423
33 -80211
34 -4681
35 29
36 -527
37 4504
38 -720740
39 1560616
40 8634214
41 1560616
42 -720740
43 4504
44 -527
45 -1199
46 68393
47 -4275340
48 -6925948
49 104031374
50 104031374
51 -6925948
52 -4275340
53 68393
54 -1199
55 237
56 338918
57 -19903639
58 -195090616
59 799237802
60 2546725796
61 799237802
62 -195090616

List of values

[1, 1, 1, -3, 14, -3, -11, 35, 35, -11, -7, -84, 566, -84, -7, 41, -843, 2722, 2722, -843, 41, 117, -2854, 763, 50028, 763, -2854, 117, 29, -4681, -80211, 407423, 407423, -80211, -4681, 29, -527, 4504, -720740, 1560616, 8634214, 1560616, -720740, 4504, -527, -1199, 68393, -4275340, -6925948, 104031374, 104031374, -6925948, -4275340, 68393, -1199, 237, 338918, -19903639, -195090616, 799237802, 2546725796, 799237802, -195090616]