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.

A057091 Scaled Chebyshev U-polynomials evaluated at i*sqrt(2). Generalized Fibonacci sequence.

Table of values

n a(n)
0 1
1 8
2 72
3 640
4 5696
5 50688
6 451072
7 4014080
8 35721216
9 317882368
10 2828828672
11 25173688320
12 224020135936
13 1993550594048
14 17740565839872
15 157872931471360
16 1404907978489856
17 12502247279689728
18 111257242065436672
19 990075914761011200
20 8810665254611582976

List of values

[1, 8, 72, 640, 5696, 50688, 451072, 4014080, 35721216, 317882368, 2828828672, 25173688320, 224020135936, 1993550594048, 17740565839872, 157872931471360, 1404907978489856, 12502247279689728, 111257242065436672, 990075914761011200, 8810665254611582976]