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.

A278860 First series of Hankel determinants based on hyperfactorial.

Original entry on oeis.org

1, 1, 92, 7207016256, 22448940392028699561050505216, 462177945344267713413229252637478222244311831261385379020800000
Offset: 0

Views

Author

Karol A. Penson, Nov 29 2016

Keywords

Comments

It would be interesting to know the formula for this sequence.

Crossrefs

Programs

  • Maple
    a:= n-> LinearAlgebra[Determinant](Matrix(n, (i, j)->
            (t-> mul(k^k, k=0..t))(i+j-1))):
    seq(a(n), n=0..6);  # Alois P. Heinz, Nov 29 2016
  • Mathematica
    Table[Det[Table[Hyperfactorial[i + j - 1], {i, n}, {j, n}]], {n, 7}]