OFFSET
0,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..22
Wikipedia, Permanent (mathematics)
Wikipedia, Vandermonde matrix
EXAMPLE
a(3) = Permanent([1, 2, 4; 1, 3, 9; 1, 5, 25]) = 220.
MAPLE
with(LinearAlgebra):
a:= n-> `if`(n=0, 1, Permanent(VandermondeMatrix([ithprime(i)$i=1..n]))):
seq(a(n), n=0..12);
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Jul 23 2017
STATUS
approved