Numerator of Hermite(n, 2/21).A159706Numerator of Hermite(n, 2/21).Terms a(0) =1a(1) =4a(2) =-866a(3) =-10520a(4) =2249356a(5) =46111984a(6) =-9735212024a(7) =-282965467424External referencesoeis: A159706