

A089477


Smallest positive integer not the permanent of a real {0,1}matrix of order n.


4




OFFSET

1,1


COMMENTS

a(6) from Gordon F. Royle.


LINKS

Table of n, a(n) for n=1..7.


EXAMPLE

a(2)=3 because {0,1,2} are expressible as permanents of (0, 1)matrices.


CROSSREFS

Cf. A089479 occurrence counts for permanents of (0, 1)matrices, A087983 number of different values taken by permanent of (0, 1)matrix, A013588 smallest number not expressible as determinant of (0, 1)matrix.
Sequence in context: A215306 A072537 A289758 * A099962 A173718 A281316
Adjacent sequences: A089474 A089475 A089476 * A089478 A089479 A089480


KEYWORD

hard,more,nonn


AUTHOR

Hugo Pfoertner, Nov 05 2003


EXTENSIONS

a(7) from Giovanni Resta, Mar 29 2006


STATUS

approved



