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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.

A203305 Vandermonde determinant of the first n terms of (1,3,7,15,31,...).

Table of values

n a(n)
1 1
2 2
3 48
4 64512
5 20808990720
6 6658450862270054400
7 8590449816558320728896700416000
8 180165778137909187135292776823951671626301440000
9 246665746050863452218796304775365273357060390005370386894553088000000

List of values

[1, 2, 48, 64512, 20808990720, 6658450862270054400, 8590449816558320728896700416000, 180165778137909187135292776823951671626301440000, 246665746050863452218796304775365273357060390005370386894553088000000]

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

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