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.

A172064 Expansion of (2/(3*sqrt(1-4*z)-1+4*z))*((1-sqrt(1-4*z))/(2*z))^k with k=7.

Table of values

n a(n)
0 1
1 8
2 46
3 230
4 1068
5 4744
6 20476
7 86662
8 361711
9 1494384
10 6126818
11 24972326
12 101320712
13 409609664
14 1651162688
15 6640469816
16 26655382802
17 106830738224
18 427612715516
19 1709790470780
20 6830461107736
21 27266848437608

List of values

[1, 8, 46, 230, 1068, 4744, 20476, 86662, 361711, 1494384, 6126818, 24972326, 101320712, 409609664, 1651162688, 6640469816, 26655382802, 106830738224, 427612715516, 1709790470780, 6830461107736, 27266848437608]