Sequence

Riddle: What is the next number in the sequence: 1, 11, 21, 1211, 111221, ...?

Answer: 312211 (each number describes the digits of the previous one)

Source: https://www.riddles.com/index.php/11597

What is the next number in the sequence: 1, 11, 21, 1211, 111221, ...? — Sequence by Satya Vedansh Vasantha v1.

Riddle: What is the next number in the sequence: 1, 11, 21, 1211, 111221, ...? Answer: 312211 (each number describes the digits of the previous one) — by Satya Vedansh Vasantha v2.