a(n) = 10 in base 10-n.A008707a(n) = 10 in base 10-n.Terms a(0) =10a(1) =11a(2) =12a(3) =13a(4) =14a(5) =20a(6) =22a(7) =101a(8) =1010a(9) =1111111111External referencesoeis: A008707