Smallest odd number greater than any previous term such that it divides the concatenation of all the previous terms and itself; begin with 1.
A228806
Smallest odd number greater than any previous term such that it divides the concatenation of all the previous terms and itself; begin with 1.
Terms
- a(0) =1a(1) =5a(2) =15a(3) =25a(4) =29a(5) =35a(6) =125a(7) =625a(8) =2125a(9) =2675a(10) =3125a(11) =15625a(12) =20125a(13) =21875a(14) =23975a(15) =24797a(16) =25125a(17) =36875a(18) =47495a(19) =47725a(20) =51875a(21) =53125a(22) =78125a(23) =135475a(24) =390625a(25) =1171875a(26) =1903875a(27) =1928595a(28) =2142375a(29) =2265625
External references
- oeis: A228806