A374360 a(n) is the permanent of the n X n matrix whose generic element is abs(s(i+3,j)) where 1<= i,j <= n and s(r,c) is a Stirling number of the 1st kind.
1, 6, 564, 306096, 564505464, 2625790073064, 27398936076368184, 584616801786680299848, 23661396380641487392884216, 1707763221685376355443856875112, 208836912138505980452592269085336072, 41452742977042741902029728999187937151368, 12878287403223722868703002883355321706487115016
Offset: 0
Keywords
Examples
a(3) = 306096: [ 6, 11, 6] [ 24, 50, 35] [120, 274, 225]
Programs
-
Mathematica
a[n_]:=Permanent[Table[Abs[StirlingS1[i+3,j]],{i,n},{j,n}]]; Join[{1},Array[a,12]]