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.

A099046 a(n) = (4*0^n + 5^n*binomial(2*n,n))/5.

Table of values

n a(n)
0 1
1 2
2 30
3 500
4 8750
5 157500
6 2887500
7 53625000
8 1005468750
9 18992187500
10 360851562500
11 6888984375000
12 132038867187500
13 2539208984375000
14 48970458984375000
15 946762207031250000
16 18343517761230468750
17 356080050659179687500
18 6923778762817382812500

List of values

[1, 2, 30, 500, 8750, 157500, 2887500, 53625000, 1005468750, 18992187500, 360851562500, 6888984375000, 132038867187500, 2539208984375000, 48970458984375000, 946762207031250000, 18343517761230468750, 356080050659179687500, 6923778762817382812500]

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

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