login
A271474
Maximal number of flips required to sort a stack of n unburnt pancakes using the big-3 flips.
0
0, 1, 3, 4, 8, 12, 15, 21, 27, 35, 42, 50
OFFSET
1,3
CROSSREFS
Cf. A058986.
Sequence in context: A187579 A050102 A022432 * A120116 A199880 A063227
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Apr 09 2016
STATUS
approved