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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.

A227143 Hankel determinants of order n of A225439(n): a(n)=det[A225439(i+j-2)], i,j=0..n, n>=0.

Table of values

n a(n)
0 1
1 1
2 12
3 567
4 122472
5 126660105
6 640190834712
7 15987980408180508
8 1985745116187976972608
9 1231754497376142871049675940
10 3826847477714307687323719819461000
11 59670909707615018862830973519922857945375

List of values

[1, 1, 12, 567, 122472, 126660105, 640190834712, 15987980408180508, 1985745116187976972608, 1231754497376142871049675940, 3826847477714307687323719819461000, 59670909707615018862830973519922857945375]

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

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