A244047 Maximal nonempty {1,3}-chunks of a 4-day-old string in a "Look and Say" sequence.

1, 3, 11, 13, 31, 111, 113, 131, 133, 311, 1113, 1131, 1133, 1311, 1331, 3111, 3113, 11131, 11133, 11311, 11331, 13111, 13113, 13311, 31131, 31133, 111311, 111331, 113111, 113311, 311311, 311331, 1113111, 1113311, 3113111, 3113311

Offset

1,2

Comments

A chunk of a string is a substring of consecutive digits.

A 4-day-old string has no chunks of the form 233, 13112 or 13312.

Links

Table of n, a(n) for n=1..36.

R. A. Litherland, Conway’s Cosmological Theorem

Crossrefs

Cf. A005150.

Sequence in context: A125308 A260044 A199303 * A020451 A018450 A302304

Adjacent sequences: A244044 A244045 A244046 * A244048 A244049 A244050

Keyword

nonn,fini,full,base

Author

Arkadiusz Wesolowski, Jun 18 2014

Status

approved