a(n) = 111111*n.

Terms

a(0) =111111a(1) =222222a(2) =333333a(3) =444444a(4) =555555a(5) =666666a(6) =777777a(7) =888888a(8) =999999a(9) =1111110a(10) =1222221a(11) =1333332a(12) =1444443a(13) =1555554a(14) =1666665a(15) =1777776a(16) =1888887a(17) =1999998a(18) =2111109a(19) =2222220a(20) =2333331a(21) =2444442a(22) =2555553a(23) =2666664a(24) =2777775a(25) =2888886a(26) =2999997a(27) =3111108a(28) =3222219a(29) =3333330