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.

A219462 a(n) = Sum_{k = 1..2*n} binomial(2*n,k) * Fibonacci(2*k).

Table of values

n a(n)
0 0
1 5
2 75
3 1000
4 13125
5 171875
6 2250000
7 29453125
8 385546875
9 5046875000
10 66064453125
11 864794921875
12 11320312500000
13 148184814453125
14 1939764404296875
15 25391845703125000
16 332383575439453125
17 4350957489013671875
18 56954772949218750000
19 745547657012939453125

List of values

[0, 5, 75, 1000, 13125, 171875, 2250000, 29453125, 385546875, 5046875000, 66064453125, 864794921875, 11320312500000, 148184814453125, 1939764404296875, 25391845703125000, 332383575439453125, 4350957489013671875, 56954772949218750000, 745547657012939453125]

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

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