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.

A081017 a(n) = Lucas(4n+1) - 1, or 5*Fibonacci(2n)*Fibonacci(2n+1).

Table of values

n a(n)
0 0
1 10
2 75
3 520
4 3570
5 24475
6 167760
7 1149850
8 7881195
9 54018520
10 370248450
11 2537720635
12 17393796000
13 119218851370
14 817138163595
15 5600748293800
16 38388099893010
17 263115950957275
18 1803423556807920
19 12360848946698170

List of values

[0, 10, 75, 520, 3570, 24475, 167760, 1149850, 7881195, 54018520, 370248450, 2537720635, 17393796000, 119218851370, 817138163595, 5600748293800, 38388099893010, 263115950957275, 1803423556807920, 12360848946698170]

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

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