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.

A097182 G.f. A(x) has the property that the first (n+1) terms of A(x)^(n+1) form the n-th row polynomial R_n(y) of triangle A097181 and satisfy R_n(1/2) = 8^n for all n>=0.

Table of values

n a(n)
0 1
1 7
2 21
3 21
4 -63
5 -231
6 -15
7 1521
8 3073
9 -4319
10 -29631
11 -29631
12 143361
13 489345
14 -255
15 -3342591
16 -6684671
17 9454081
18 64553985
19 64553985
20 -311689215
21 -1064175615
22 -4095
23 7266627585
24 14533263361
25 -20553129983
26 -140345589759
27 -140345589759
28 677648531457
29 2313636773889

List of values

[1, 7, 21, 21, -63, -231, -15, 1521, 3073, -4319, -29631, -29631, 143361, 489345, -255, -3342591, -6684671, 9454081, 64553985, 64553985, -311689215, -1064175615, -4095, 7266627585, 14533263361, -20553129983, -140345589759, -140345589759, 677648531457, 2313636773889]