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.

A290302 Permanent of Hankel matrix of the first 2n-1 prime numbers.

Original entry on oeis.org

1, 2, 19, 642, 52046, 8012520, 1939769432, 718866359440, 368802888131376, 259389489641608736, 238655237778415792704, 270892331023142039759488, 377446142834845276550334720, 626883335555480085495326908416, 1230454868521341442901679438859264
Offset: 0

Views

Author

Alois P. Heinz, Jul 26 2017

Keywords

Crossrefs

Cf. A024356.

Programs

  • Maple
    with(LinearAlgebra):
    a:= n-> `if`(n=0, 1, Permanent(Matrix(n, (i, j)-> ithprime(i+j-1)))):
    seq(a(n), n=0..16);
  • Mathematica
    a[n_]:=Permanent[Table[Prime[i+j-1],{i,n},{j,n}]]; Join[{1}, Array[a, 14]] (* Stefano Spezia, Feb 03 2024 *)