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.

A302913 Determinant of n X n matrix whose main diagonal consists of the first n 9-gonal numbers and all other elements are 1's.

Table of values

n a(n)
1 1
2 8
3 184
4 8280
5 612720
6 67399200
7 10312077600
8 2093351752800
9 544271455728000
10 176343951655872000
11 69655860904069440000
12 32947222207624845120000
13 18384549991854663576960000
14 11949957494705531325024000000
15 8950518163534442962442976000000

List of values

[1, 8, 184, 8280, 612720, 67399200, 10312077600, 2093351752800, 544271455728000, 176343951655872000, 69655860904069440000, 32947222207624845120000, 18384549991854663576960000, 11949957494705531325024000000, 8950518163534442962442976000000]

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

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