A138486 Say what you see in previous term, from the right, reporting total number for each digit encountered. Initial term is 2.

2, 12, 1211, 3112, 122113, 133122, 222123, 134211, 31121413, 23411412, 22312413, 23211432, 32231421, 21321423, 23321421, 21321423, 23321421, 21321423, 23321421, 21321423, 23321421, 21321423, 23321421, 21321423

Offset

0,1

Comments

After a while sequence has period 2 -> {21321423,23321421}

Links

Table of n, a(n) for n=0..23.

Example

To get the term after 122113, we say: one 3's, three 1's, two 2's, so 133122

Crossrefs

Cf. A063850, A022482, A005150, A005151, A006751, A006715, A006711, A022506-A022513, A138484, A138485, A138487-A138493.

Sequence in context: A001389 A022914 A177361 * A022482 A372198 A081701

Adjacent sequences: A138483 A138484 A138485 * A138487 A138488 A138489

Keyword

easy,nonn,base

Author

Paolo P. Lava and Giorgio Balzarotti, Mar 20 2008

Extensions

Duplicate term 21321423 removed by Georg Fischer, Sep 18 2023

Status

approved