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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.

A203426 Reciprocal of Vandermonde determinant of (1/4,1/6,...,1/(2n+2)).

Table of values

n a(n)
1 1
2 -12
3 -2304
4 9216000
5 955514880000
6 -3083393008926720000
7 -362115253665574567280640000
8 1773553697494609431031516590243840000
9 408626771902758012909661422392180736000000000000
10 -4933225232839126697329071833709661506078108549120000000000000

List of values

[1, -12, -2304, 9216000, 955514880000, -3083393008926720000, -362115253665574567280640000, 1773553697494609431031516590243840000, 408626771902758012909661422392180736000000000000, -4933225232839126697329071833709661506078108549120000000000000]

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

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