next term of sequence
1,11,21,1211,111221,312211,13112221,1113213211,

• Ans is 31131211131221
  count no.of 1 s, 2 s, 3 s from left to right in the previous number.
• 9 years agoHelpfull: Yes(1) No(1)
• First digit is 1;
  2nd lind: 1 no. of 1 (in the first line)
  3rd line: 1 no. of 2 and 2 nos. of 1 (in the 2nd line)
  4th line: 1 no. of 1, 1 no. of 2 and 2 nos. of 1 (in the 3rd line)
  5th line: 3 nos. of 1, 2 nos. of 2 and 2 nos. of 1 (in the 4th line)
  6th line: 1 no. of 3, 1 no. of 1, 2 nos. of 2 and 2 nos. of 1 (in the fifth line)
  .
  .
  .
  .
  .
  similarly, the next line will be [31][13][12][11][13][12][21] = 31131211131221
• 9 years agoHelpfull: Yes(0) No(0)