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.

A118779 Determinant of n X n matrix containing the first n^2 4-almost primes in increasing order.

Table of values

n a(n)
1 16
2 -224
3 0
4 182016
5 12734992
6 -80430368
7 -125120640
8 1334967760
9 1060202222660
10 -2759409121760
11 54820105989504
12 -14148083510835712
13 49989643415528010
14 299304923505836144
15 1713123391839442498
16 93227182153040103540
17 -86403659709730762670

List of values

[16, -224, 0, 182016, 12734992, -80430368, -125120640, 1334967760, 1060202222660, -2759409121760, 54820105989504, -14148083510835712, 49989643415528010, 299304923505836144, 1713123391839442498, 93227182153040103540, -86403659709730762670]

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

Content is available under The OEIS End-User License Agreement.