Question

complete the following sequence
1,11,21,1211,111221,?

Answer 1

Answer:

hear ' s the complete sequence

1, 11, 21, 1211, 111221, 312211, 13112221, 1113213211 and more

Step-by-step explanation:

To generate a member of the sequence from the previous member, read the digits of the previous member, counting the number of digits in groups of the same digit. Eg:

1. 1 is read as "one 1" or 11.
2. 11 is read as "two 1s" or 21.
3. 21 is read as "one 2, then one 1" or 1211.
4. 1211 is read as "one 1, one 2, then two 1s" or 111221.
5. 111221 is read as "three 1s, two 2s, then one 1" or 312211.

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