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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.

A165343 First series of Hankel determinants based on A001044(n)=(n!)^2 : a(n)=det(A001044(i+j-2))=det(((i+j-2)!)^2), i,j=1,2...n. Hankel transform of A001044.

Table of values

n a(n)
0 1
1 3
2 656
3 58910976
4 7213311014731776
5 3024546589156405495726080000
6 9172616430046109813423337553212211200000000

List of values

[1, 3, 656, 58910976, 7213311014731776, 3024546589156405495726080000, 9172616430046109813423337553212211200000000]

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

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