A115185 Minimum number of moves to solve a variant of the first Panex puzzle of order n of transferring a side tower to the center column.

1, 2, 9, 23, 58, 142, 345, 835, 2018, 4874, 11769, 28415, 68602, 165622, 399849, 965323, 2330498, 5626322, 13583145, 32792618, 79168378, 191129374, 461427129, 1113983635, 2689394402, 6492772442, 15674939289, 37842651023, 91360241338

Offset

1,2

References

Mark Manasse et al., The Panex puzzle, in Tribute to a Mathemagician, Peters, 2005, pp. 145-161.

Links

Table of n, a(n) for n=1..29.

N. Baxter, Panex Puzzle Resources.

Formula

a(n) = A109175(n) if n odd, = A109175(n)-1 if n even.

Crossrefs

Cf. A109175.

Sequence in context: A154118 A296284 A376750 * A349189 A091107 A133469

Adjacent sequences: A115182 A115183 A115184 * A115186 A115187 A115188

Keyword

nonn

Author

N. J. A. Sloane, Apr 11 2006

Status

approved