a(n) = A181162(n) / n, n>=1.A254530a(n) = A181162(n) / n, n>=1.Terms a(0) =1a(1) =5a(2) =47a(3) =706a(4) =14313a(5) =374016a(6) =11997457a(7) =460158224a(8) =20671937025External referencesoeis: A254530