a(n) = A365742(10^n).A365748a(n) = A365742(10^n).Terms a(0) =1a(1) =3a(2) =10a(3) =30a(4) =72a(5) =247a(6) =937a(7) =2844a(8) =9261a(9) =30742a(10) =116183a(11) =374485External referencesoeis: A365748