A271474 Maximal number of flips required to sort a stack of n unburnt pancakes using the big-3 flips.

0, 1, 3, 4, 8, 12, 15, 21, 27, 35, 42, 50

Offset

1,3

Links

Table of n, a(n) for n=1..12.

J. Sawada and A. Williams, Successor rules for flipping pancakes and burnt pancakes, Preprint 2015.

Crossrefs

Cf. A058986.

Sequence in context: A187579 A050102 A022432 * A120116 A199880 A063227

Adjacent sequences: A271471 A271472 A271473 * A271475 A271476 A271477

Keyword

nonn,more

Author

N. J. A. Sloane, Apr 09 2016

Status

approved