A359141 - OEIS

A359141

First differences of the pancake flipping (or sorting by prefix reversal) sequence A058986.

1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

A comment in A058986 implies that the terms are at most 2. Furthermore a zero term seems unlikely.

The initial terms consist of runs of 1, 2, 4, and 7 1's separated by 2's, which allows for a large number of extensions.

LINKS

CROSSREFS

KEYWORD

nonn,more

AUTHOR

STATUS

approved