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.

A203418 Vandermonde determinant of the first n composite numbers (A002808).

Table of values

n a(n)
1 1
2 2
3 16
4 240
5 11520
6 13271040
7 254803968000
8 15892123484160000
9 5126163351050649600000
10 89288743527804466888704000000
11 50689719717698351557731837542400000000
12 125765178831579421305165126665125232640000000000

List of values

[1, 2, 16, 240, 11520, 13271040, 254803968000, 15892123484160000, 5126163351050649600000, 89288743527804466888704000000, 50689719717698351557731837542400000000, 125765178831579421305165126665125232640000000000]

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

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