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A089477 Smallest positive integer not the permanent of a real {0,1}-matrix of order n. 4
2, 3, 5, 13, 27, 119, 737 (list; graph; refs; listen; history; text; internal format)
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

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Last modified August 10 12:19 EDT 2020. Contains 336379 sequences. (Running on oeis4.)