A151824 Triangle read by rows: peak-to-average-power ratios of vectors of length n under local complementation.

1, 1, 0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 5, 4, 1, 0, 0, 6, 14, 5, 1, 0, 0, 9, 52, 32, 7, 1, 0, 0, 2, 156, 212, 60, 9, 1, 0, 0, 1, 624, 1753, 639, 103, 11, 1, 0, 0, 0, 3184, 25018, 10500, 1578, 163, 13, 1, 0, 0, 0, 12323, 834256, 380722, 43013, 3488, 249, 16, 1

Offset

0,10

Links

Table of n, a(n) for n=0..66.

Lars Eirik Danielsen and Matthew G. Parker, Spectral Orbits and Peak-to-Average Power Ratio of Boolean Functions with respect to the {I,H,N}^n Transform, (2005), arxiv:cs/0504102. In Sequences and Their Applications-SETA 2004, Lecture Notes in Computer Science, Volume 3486/2005, Springer-Verlag.

Example

Triangle begins:
. 1
. 1
. 0 1
. 0 1 1
. 0 1 2 1
. 0 1 5 4 1
. 0 0 6 14 5 1
. 0 0 9 52 32 7 1
. 0 0 2 156 212 60 9 1
. 0 0 1 624 1753 639 103 11 1
. 0 0 0 3184 25018 10500 1578 163 13 1
. 0 0 0 12323 834256 380722 43013 3488 249 16 1

Crossrefs

Sequence in context: A361957 A239145 A327127 * A275514 A180782 A213597

Adjacent sequences: A151821 A151822 A151823 * A151825 A151826 A151827

Keyword

nonn,tabf

Author

N. J. A. Sloane, Jul 12 2009

Status

approved