a(n) = Hermite(n, 18).A158700a(n) = Hermite(n, 18).Terms a(0) =1a(1) =36a(2) =1294a(3) =46440a(4) =1664076a(5) =59535216a(6) =2126627016a(7) =75844149984External referencesoeis: A158700