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.

A086228 Determinant of n X n matrix M(i,j)=binomial(2i+1, j).

Table of values

n a(n)
0 1
1 3
2 15
3 140
4 2520
5 88704
6 6150144
7 843448320
8 229417943040
9 123987652771840
10 133311524260282368
11 285432092670742757376
12 1217843595395169098137600
13 10360289146303272377017958400
14 175805226564926843718814452940800

List of values

[1, 3, 15, 140, 2520, 88704, 6150144, 843448320, 229417943040, 123987652771840, 133311524260282368, 285432092670742757376, 1217843595395169098137600, 10360289146303272377017958400, 175805226564926843718814452940800]

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

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