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.

A166078 Expansion of (3(1-x)-sqrt(1+6x-7x^2))/(2(1-x)(1-2x)).

Table of values

n a(n)
0 1
1 0
2 2
3 -6
4 30
5 -150
6 806
7 -4494
8 25822
9 -151782
10 908502
11 -5518590
12 33933774
13 -210814422
14 1321230150
15 -8343458286
16 53037407166
17 -339111023046
18 2179407749558
19 -14071216784862
20 91225811704750
21 -593639364476598

List of values

[1, 0, 2, -6, 30, -150, 806, -4494, 25822, -151782, 908502, -5518590, 33933774, -210814422, 1321230150, -8343458286, 53037407166, -339111023046, 2179407749558, -14071216784862, 91225811704750, -593639364476598]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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