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.

A107045 Numerators of the triangle of coefficients T(n,k), read by rows, that satisfy: y^x = Sum_{n=0..x} R_n(y)*x^n for all nonnegative integers x, y, where R_n(y) = Sum_{k=0..n} T(n,k)*y^k and T(n,k) = a(n,k)/A107046(n,k).

Table of values

n a(n)
0 1
1 -1
2 1
3 1
4 -1
5 1
6 -1
7 1
8 -1
9 1
10 -11
11 1
12 1
13 -1
14 1
15 -677
16 -61
17 7
18 1
19 -1
20 1
21 15311
22 -259
23 -1
24 7
25 1
26 -1
27 1
28 1170049273
29 -971891
30 -54407
31 407
32 23
33 1
34 -1
35 1
36 541293087149
37 426148171
38 -15993079
39 -58573
40 829
41 17
42 1
43 -1
44 1
45 -15074636799365429
46 31108643619709
47 -23328513449
48 -138374321
49 -53429
50 1501
51 47
52 1

List of values

[1, -1, 1, 1, -1, 1, -1, 1, -1, 1, -11, 1, 1, -1, 1, -677, -61, 7, 1, -1, 1, 15311, -259, -1, 7, 1, -1, 1, 1170049273, -971891, -54407, 407, 23, 1, -1, 1, 541293087149, 426148171, -15993079, -58573, 829, 17, 1, -1, 1, -15074636799365429, 31108643619709, -23328513449, -138374321, -53429, 1501, 47, 1]