what number will be next in the following list?

1 ⤊

1, 11, 21, 1211, 111221,312211,13112221,

2007-03-30 06:35:54 · 5 answers · asked by DAN REVERE 3 in Science & Mathematics ➔ Mathematics

'frequency' followed by 'digit'
one 1 , =>11 =>two 1=>21=>one 2 one 1=>1211 etc

2007-03-30 06:59:38 · answer #1 · answered by gjmb1960 7 · 0⤊ 0⤋

1113213211 - it describes the previous number: 1 one, 1 three, 2 one's, 3 two's, 1 one.

2007-03-30 13:40:52 · answer #2 · answered by Philo 7 · 0⤊ 0⤋

1113213211

2007-03-30 13:41:56 · answer #3 · answered by les 4 · 0⤊ 0⤋

1113213211

2007-03-30 13:40:11 · answer #4 · answered by ironduke8159 7 · 0⤊ 0⤋

1113213211, 31131211131221, 13211311123113112211, etc

2007-03-30 13:39:58 · answer #5 · answered by Anonymous · 1⤊ 0⤋