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.

A112463 Absolute value of coefficient of term [x^(n-7)] in characteristic polynomial of maximum matrix A of size n X n, where n >= 7. Maximum matrix A(i,j) is MAX(i,j), where indices i and j run from 1 to n.

Table of values

n a(n)
7 7
8 111
9 930
10 5480
11 25500
12 99756
13 341088
14 1046520
15 2936070
16 7638950
17 18631932
18 42969336
19 94348300
20 198354300
21 401166000
22 783610920
23 1483311285
24 2728813725
25 4891144350
26 8560278000
27 14656684680
28 24591569640
29 40493836800
30 65527390800
31 104329399500
32 163608855372

List of values

[7, 111, 930, 5480, 25500, 99756, 341088, 1046520, 2936070, 7638950, 18631932, 42969336, 94348300, 198354300, 401166000, 783610920, 1483311285, 2728813725, 4891144350, 8560278000, 14656684680, 24591569640, 40493836800, 65527390800, 104329399500, 163608855372]