A025186 T(4n,n), where T is the array defined in A025177.

1, 3, 29, 286, 2955, 31350, 338514, 3701295, 40849661, 454114540, 5077463898, 57038882004, 643269405230, 7278603015180, 82590333059025, 939444489263403, 10708773485661387, 122299562702918348, 1399055759185079316

Offset: 0

Author

Clark Kimberling

Keywords

• nonn

Programs

Maple

A025186 := proc(n)
        A025177(4*n,n) ;
end proc: # R. J. Mathar, Jul 28 2016