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A119528 Determinant of n X n matrix of first n^2 number of trees with n unlabeled nodes (A000055). 1
1, 0, 7, -7288, 210319661226, -28724163065553504725184, -17273218743083166095017987886925095168489136, -3262865955763797132157936566332771517266609360571691111615623236765760 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Alois P. Heinz, Table of n, a(n) for n = 1..17

EXAMPLE

a(3) = 7 =

|.1..1..1|

|.1..2..3|

|.6.11.23|.

CROSSREFS

Cf. A000055, A119493.

Sequence in context: A158400 A221628 A220879 * A116266 A179812 A023344

Adjacent sequences:  A119525 A119526 A119527 * A119529 A119530 A119531

KEYWORD

easy,sign

AUTHOR

Jonathan Vos Post, May 27 2006

EXTENSIONS

More terms from Alois P. Heinz, Sep 26 2011

STATUS

approved

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Last modified February 17 12:14 EST 2020. Contains 331996 sequences. (Running on oeis4.)