<Dd> 1 , 11 , 21 , 1211 , 111221 , 312211 , 13112221 , 1113213211 , ... ( sequence A005150 in the OEIS ) . </Dd>
<Dd> 1 , 11 , 21 , 1211 , 111221 , 312211 , 13112221 , 1113213211 , ... ( sequence A005150 in the OEIS ) . </Dd>
what is the next number in the sequence 1 11 21 osrs
what is the next number in the sequence 1 11 21 osrs
1211
1211