A125593 Number of nonsingular real n X n {0,1}-matrices which are not robust (cf. A125587).

0, 2, 106, 17552, 10911088, 26612379360

Offset

1,2

Links

Table of n, a(n) for n=1..6.

Formula

a(n) = A055165(n) - A125587(n).

Crossrefs

Cf. A055165, A125587, A126603.

Sequence in context: A356723 A387438 A260579 * A352496 A139887 A174409

Adjacent sequences: A125590 A125591 A125592 * A125594 A125595 A125596

Keyword

nonn,more

Author

Artur Jasinski, Jan 07 2007

Extensions

Typo in a(5) corrected by Giovanni Resta, Jul 23 2025

Status

approved