A144569 A de Bruijn sequence B(4,3) found by Ted Bell.

0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 2, 0, 2, 2, 2, 1, 2, 1, 1, 2, 2, 0, 0, 3, 0, 3, 3, 3, 2, 3, 2, 2, 3, 3, 1, 3, 1, 1, 3, 3, 0, 1, 3, 2, 0, 3, 2, 1, 0, 3, 1, 0, 2, 3, 1, 2, 0, 1, 2, 3, 0, 2, 1, 3, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 2, 0, 2, 2, 2, 1, 2, 1, 1, 2, 2, 0, 0, 3, 0, 3, 3, 3, 2, 3, 2, 2, 3, 3, 1

Offset

0,11

Links

Table of n, a(n) for n=0..98.

Mark Dow, Minimal arrays containing all sub-array combinations of symbols: de Bruijn sequences and tori (Web archive)

Wikipedia, De Bruijn Sequences

Example

Period 64: 0001110100202221211220030333232233131133013203210310231201230213

Crossrefs

A135472 gives an example of a B(9,2).

Cf. also A080679, A058342, A083570, A166315, A166316.

Sequence in context: A334239 A335062 A047917 * A000360 A023556 A238783

Adjacent sequences: A144566 A144567 A144568 * A144570 A144571 A144572

Keyword

nonn

Author

N. J. A. Sloane, Apr 09 2010, based on a communication from David Paterson (David.Paterson(AT)csiro.au)

Status

approved