a(n) = Hermite(n, 20).A158703a(n) = Hermite(n, 20).Terms a(0) =1a(1) =40a(2) =1598a(3) =63760a(4) =2540812a(5) =101122400a(6) =4019487880a(7) =159566046400External referencesoeis: A158703