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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.

A111819 Column 0 of the matrix logarithm (A111818) of triangle A078536, which shifts columns left and up under matrix 4th power; these terms are the result of multiplying the element in row n by n!.

Table of values

n a(n)
0 0
1 1
2 -2
3 2
4 840
5 -76056
6 -158761104
7 390564896784
8 14713376473366656
9 -783793232940393380736
10 -571732910947761663424746240
11 603368029500890443054004423520000
12 8390120127886533420753746115877557580800

List of values

[0, 1, -2, 2, 840, -76056, -158761104, 390564896784, 14713376473366656, -783793232940393380736, -571732910947761663424746240, 603368029500890443054004423520000, 8390120127886533420753746115877557580800]

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

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